Climate indicators
xclim.core.indicator.Indicator
instances essentially perform the same computations as the functions
found in the xclim.indices
library, but also run a number of health checks on input data
and assign attributes to the output arrays. So for example, if there are missing values in
a time series, indices won’t notice, but indicators will return NaNs for periods with missing
values (depending on the missing values algorithm selected, see Missing values). Indicators also check that the input data has the expected frequency (e.g. daily) and that
it is indeed the expected variable (e.g. a precipitation flux). The output is assigned attributes
that conform as much as possible with the CF-Convention.
Indicators are split into realms (atmos, land, seaIce), according to the variables they operate on. See Defining new indicators for instruction on how to create your own indicators. This page lists all indicators with a summary description, click on the names to get to the complete docstring of each indicator.
atmos: Atmosphere
atmos.biologically_effective_degree_days
: Biologically effective growing degree days.Based on
xclim.indices.biologically_effective_degree_days
Produces:
bedd: Biologically effective degree days computed with gladstones formula (summation of min((max((tmin + tmax)/2 - 10 degc, 0) * k) + tr_adg, 9°c), for days between 04-01 and 11-01). [K days]
atmos.calm_days
: Calm days.Based on
xclim.indices.calm_days
Produces:
calm_days: Number of days with surface wind speed below threshold [days]
atmos.cold_and_dry_days
: Cold and dry daysBased on
xclim.indices.cold_and_dry_days
Produces:
cold_and_dry_days: Cold and dry days [days]
atmos.cold_and_wet_days
: cold and wet daysBased on
xclim.indices.cold_and_wet_days
Produces:
cold_and_wet_days: Cold and wet days [days]
atmos.cold_spell_days
: Cold spell days.Based on
xclim.indices.cold_spell_days
Produces:
cold_spell_days: Number of days part of a cold spell [days]
atmos.cold_spell_duration_index
: Cold spell duration index.Based on
xclim.indices.cold_spell_duration_index
Produces:
csdi_6: Number of days part of a percentile-defined cold spell [days]
atmos.cold_spell_frequency
: Cold spell frequency.Based on
xclim.indices.cold_spell_frequency
Produces:
cold_spell_frequency: Number of cold spell events []
atmos.consecutive_frost_days
: Maximum number of consecutive frost days (Tn < 0℃).Based on
xclim.indices.maximum_consecutive_frost_days
Produces:
consecutive_frost_days: Maximum number of consecutive days with tmin < 0.0 degc [days]
atmos.cool_night_index
: Cool Night Index.Based on
xclim.indices.cool_night_index
Produces:
cool_night_index: Cool night index [degC]
atmos.cooling_degree_days
: Cooling degree days.Based on
xclim.indices.cooling_degree_days
Produces:
cooling_degree_days: Cooling degree days (tmean > 18 degc) [K days]
atmos.corn_heat_units
: Corn heat units.Based on
xclim.indices.corn_heat_units
Produces:
chu: Corn heat units (tmin > 4.44 degc and tmax > 10 degc). []
atmos.daily_freezethaw_cycles
: Statistics of consecutive diurnal temperature swing events.Description: A diurnal swing of max and min temperature event is when Tmax > thresh_tasmax and Tmin <= thresh_tasmin. This indice finds all days that constitute these events and computes statistics over the length and frequency of these events.
Based on
xclim.indices.multiday_temperature_swing
Produces:
dlyfrzthw: Daily freezethaw cycles [days]
atmos.daily_pr_intensity
: Average daily precipitation intensity.Description: Return the average precipitation over wet days.
Based on
xclim.indices.daily_pr_intensity
Produces:
sdii: Average precipitation during wet days (sdii) [mm/day]
atmos.daily_temperature_range
: Mean of daily temperature range.Description: The mean difference between the daily maximum temperature and the daily minimum temperature.
Based on
xclim.indices.daily_temperature_range
Produces:
dtr: Mean diurnal temperature range [K]
atmos.daily_temperature_range_variability
: Mean absolute day-to-day variation in daily temperature range.Description: Mean absolute day-to-day variation in daily temperature range.
Based on
xclim.indices.daily_temperature_range_variability
Produces:
dtrvar: Mean diurnal temperature range variability [K]
atmos.days_over_precip_thresh
: Number of wet days with daily precipitation over a given percentile.Based on
xclim.indices.days_over_precip_thresh
Produces:
days_over_precip_thresh: Count of days with daily precipitation above the given percentile [days]. [days]
atmos.days_with_snow
: Days with snowfallBased on
xclim.indices.days_with_snow
Produces:
days_with_snow: Number of days with solid precipitation flux between low and high thresholds. [days]
atmos.degree_days_exceedance_date
: Degree days exceedance date.Based on
xclim.indices.degree_days_exceedance_date
Produces:
degree_days_exceedance_date: Day of year when cumulative degree days exceed 25 k days. []
atmos.drought_code
: Drought code (FWI component).Description: The drought code is part of the Canadian Forest Fire Weather Index System. It is a numeric rating of the average moisture content of organic layers.
Based on
xclim.indices.drought_code
Produces:
dc: Drought code []
atmos.dry_days
: Dry days.Based on
xclim.indices.dry_days
Produces:
dry_days: Number of dry days (precip < 0.2 mm/d) [days]
atmos.dry_spell_frequency
: Return the number of dry periods of n days and more, during which the accumulated precipitation on a window of
n days is under the threshold.Based on
xclim.indices.dry_spell_frequency
Produces:
dry_spell_frequency: The annual number of dry periods of minimum 3 days. []
atmos.dry_spell_total_length
: Return the total number of days in dry periods of n days and more, during which the accumulated precipitation
on a window of n days is under the threshold.Based on
xclim.indices.dry_spell_total_length
Produces:
dry_spell_total_length: The annual total number of days in dry periods of minimum 3 days. [d]
atmos.extreme_temperature_range
: Extreme intra-period temperature range.Description: The maximum of max temperature (TXx) minus the minimum of min temperature (TNn) for the given time period.
Based on
xclim.indices.extreme_temperature_range
Produces:
etr: Intra-period extreme temperature range [K]
atmos.fire_season
: Fire season mask.Based on
xclim.indices.fire_season
Produces:
fire_season: Fire season mask []
atmos.fire_weather_indexes
: Fire weather indexes.Description: Computes the 6 fire weather indexes as defined by the Canadian Forest Service: the Drought Code, the Duff-Moisture Code, the Fine Fuel Moisture Code, the Initial Spread Index, the Build Up Index and the Fire Weather Index.
Based on
xclim.indices.fire_weather_indexes
Produces:
dc: Drought code []
dmc: Duff moisture code []
ffmc: Fine fuel moisture code []
isi: Initial spread index []
bui: Buildup index []
fwi: Fire weather index []
atmos.first_day_above
: First day of temperatures superior to a threshold temperature.Based on
xclim.indices.first_day_above
Produces:
first_day_above: First day of year with temperature above 0 degc []
atmos.first_day_below
: First day of temperatures inferior to a threshold temperature.Based on
xclim.indices.first_day_below
Produces:
first_day_below: First day of year with temperature below 0 degc []
atmos.first_snowfall
: First day with solid precipitation above a threshold.Based on
xclim.indices.first_snowfall
Produces:
first_snowfall: Date of first snowfall []
atmos.fraction_over_precip_thresh
: Fraction of precipitation due to wet days with daily precipitation over a given percentile.Based on
xclim.indices.fraction_over_precip_thresh
Produces:
fraction_over_precip_thresh: Fraction of precipitation over threshold during wet days days. []
atmos.freezethaw_spell_frequency
: Frequency of freeze-thaw spellsBased on
xclim.indices.multiday_temperature_swing
Produces:
freezethaw_spell_frequency: Annual number of freeze-thaw spells. [days]
atmos.freezethaw_spell_max_length
: Maximal length of freeze-thaw spells.Based on
xclim.indices.multiday_temperature_swing
Produces:
freezethaw_spell_max_length: Annual maximal length of freeze-thaw spells. [days]
atmos.freezethaw_spell_mean_length
: Averge length of freeze-thaw spells.Based on
xclim.indices.multiday_temperature_swing
Produces:
freezethaw_spell_mean_length: Annual average length of freeze-thaw spells. [days]
atmos.freshet_start
: First day consistently exceeding threshold temperature.Based on
xclim.indices.freshet_start
Produces:
freshet_start: Day of year of spring freshet start []
atmos.frost_days
: Frost days index.Based on
xclim.indices.frost_days
Produces:
frost_days: Number of frost days (tmin < 0c) [days]
atmos.frost_season_length
: Frost season length.Based on
xclim.indices.frost_season_length
Produces:
frost_season_length: Length of the frost season [days]
atmos.growing_degree_days
: Growing degree-days over threshold temperature value.Based on
xclim.indices.growing_degree_days
Produces:
growing_degree_days: Growing degree days above 4.0 degc [K days]
atmos.growing_season_end
: End of the growing season.Based on
xclim.indices.growing_season_end
Produces:
growing_season_end: Day of year of growing season end []
atmos.growing_season_length
: Growing season length.Based on
xclim.indices.growing_season_length
Produces:
growing_season_length: Etccdi growing season length (tmean > 5.0 degc) [days]
atmos.heat_wave_frequency
: Heat wave frequency.Based on
xclim.indices.heat_wave_frequency
Produces:
heat_wave_frequency: Number of heat wave events (tmin > 22.0 degc and tmax > 30 degc for >= 3 days) []
atmos.heat_wave_index
: Heat wave index.Based on
xclim.indices.heat_wave_index
Produces:
heat_wave_index: Number of days that are part of a heatwave [days]
atmos.heat_wave_max_length
: Heat wave max length.Based on
xclim.indices.heat_wave_max_length
Produces:
heat_wave_max_length: Maximum length of heat wave events (tmin > 22.0 degcand tmax > 30 degc for >= 3 days) [days]
atmos.heat_wave_total_length
: Heat wave total length.Based on
xclim.indices.heat_wave_total_length
Produces:
heat_wave_total_length: Total length of heat wave events (tmin > 22.0 degc and tmax > 30 degc for >= 3 days) [days]
atmos.heating_degree_days
: Heating degree days.Based on
xclim.indices.heating_degree_days
Produces:
heating_degree_days: Heating degree days (tmean < 17.0 degc) [K days]
atmos.high_precip_low_temp
: Number of days with precipitation above threshold and temperature below threshold.Based on
xclim.indices.high_precip_low_temp
Produces:
high_precip_low_temp: Count of days with high precipitation and low temperatures. [days]
atmos.hot_spell_frequency
: Hot spell frequency.Based on
xclim.indices.hot_spell_frequency
Produces:
hot_spell_frequency: Number of hot spell events (tmax > 30 degc for >= 3 days) []
atmos.hot_spell_max_length
: Longest hot spell.Based on
xclim.indices.hot_spell_max_length
Produces:
hot_spell_max_length: Maximum length of hot spell events (tmax > 30 degc for >= 1 days) [days]
atmos.huglin_index
: Huglin Heliothermal Index.Based on
xclim.indices.huglin_index
Produces:
hi: Huglin heliothermal index (summation of ((tmin + tmax)/2 - 10 degc) * latitude-based day-lengthcoefficient (`k`), for days between 04-01 and 10-01). []
atmos.humidex
: Humidex index.Based on
xclim.indices.humidex
Produces:
humidex: Humidex index [C]
atmos.ice_days
: Number of ice/freezing days.Based on
xclim.indices.ice_days
Produces:
ice_days: Number of ice days (tmax < 0℃) [days]
atmos.last_snowfall
: Last day with solid precipitation above a threshold.Based on
xclim.indices.last_snowfall
Produces:
last_snowfall: Date of last snowfall []
atmos.last_spring_frost
: Last day of temperatures inferior to a threshold temperature.Based on
xclim.indices.last_spring_frost
Produces:
last_spring_frost: Day of year of last spring frost []
atmos.latitude_temperature_index
: Latitude-Temperature Index.Based on
xclim.indices.latitude_temperature_index
Produces:
lti: Latitude-temperature index []
atmos.liquid_precip_accumulation
: Accumulated liquid precipitation.Description: Resample the original daily mean precipitation flux and accumulate over each period. If a daily temperature is provided, the `phase` keyword can be used to sum precipitation of a given phase only. When the temperature is under the provided threshold, precipitation is assumed to be snow, and liquid rain otherwise. This indice is agnostic to the type of daily temperature (tas, tasmax or tasmin) given.
Based on
xclim.indices.precip_accumulation
Produces:
liquidprcptot: Total liquid precipitation [mm]
atmos.liquid_precip_ratio
: Ratio of rainfall to total precipitation.Based on
xclim.indices.liquid_precip_ratio
Produces:
liquid_precip_ratio: Ratio of rainfall to total precipitation. []
atmos.max_1day_precipitation_amount
: Highest 1-day precipitation amount for a period (frequency).Description: Resample the original daily total precipitation temperature series by taking the max over each period.
Based on
xclim.indices.max_1day_precipitation_amount
Produces:
rx1day: Maximum 1-day total precipitation [mm/day]
atmos.max_daily_temperature_range
: Maximum of daily temperature range.Description: The mean difference between the daily maximum temperature and the daily minimum temperature.
Based on
xclim.indices.daily_temperature_range
Produces:
dtrmax: Maximum diurnal temperature range [K]
atmos.max_n_day_precipitation_amount
: Highest precipitation amount cumulated over a n-day moving window.Based on
xclim.indices.max_n_day_precipitation_amount
Produces:
rx1day: Maximum 1-day total precipitation [mm]
atmos.max_pr_intensity
: Highest precipitation intensity over a n-hour moving window.Based on
xclim.indices.max_pr_intensity
Produces:
max_pr_intensity: Maximum precipitation intensity over 1h duration [mm/h]
atmos.maximum_consecutive_dry_days
: Maximum number of consecutive dry days.Description: Return the maximum number of consecutive days within the period where precipitation is below a certain threshold.
Based on
xclim.indices.maximum_consecutive_dry_days
Produces:
cdd: Maximum consecutive dry days (precip < 1 mm/day) [days]
atmos.maximum_consecutive_frost_free_days
: Maximum number of consecutive frost free days (Tn > 0℃).Description: Return the maximum number of consecutive days within the period where the minimum temperature is above a certain threshold.
Based on
xclim.indices.maximum_consecutive_frost_free_days
Produces:
consecutive_frost_free_days: Maximum number of consecutive days with tmin > 0 degc [days]
atmos.maximum_consecutive_warm_days
: Maximum number of consecutive days with tasmax above a threshold (summer days).Based on
xclim.indices.maximum_consecutive_tx_days
Produces:
maximum_consecutive_warm_days: The maximum number of days with tasmax > thresh per periods (summer days). [days]
atmos.maximum_consecutive_wet_days
: Consecutive wet days.Description: Returns the maximum number of consecutive wet days.
Based on
xclim.indices.maximum_consecutive_wet_days
Produces:
cwd: Maximum consecutive wet days (precip >= 1 mm/day) [days]
atmos.potential_evapotranspiration
: Potential evapotranspiration.Based on
xclim.indices.potential_evapotranspiration
Produces:
evspsblpot: Potential evapotranspiration [kg m-2 s-1]
atmos.precip_accumulation
: Accumulated total precipitation (solid and liquid)Description: Resample the original daily mean precipitation flux and accumulate over each period. If a daily temperature is provided, the `phase` keyword can be used to sum precipitation of a given phase only. When the temperature is under the provided threshold, precipitation is assumed to be snow, and liquid rain otherwise. This indice is agnostic to the type of daily temperature (tas, tasmax or tasmin) given.
Based on
xclim.indices.precip_accumulation
Produces:
prcptot: Total precipitation [mm]
atmos.rain_approximation
: Rainfall approximation from total precipitation and temperature.Description: Liquid precipitation estimated from precipitation and temperature according to a given method. This is a convenience method based on `snowfall_approximation`, see the latter for details.
Based on
xclim.indices.rain_approximation
Produces:
prlp: Liquid precipitation [kg m-2 s-1]
atmos.rain_on_frozen_ground_days
: Number of rain on frozen ground events.Description: Number of days with rain above a threshold after a series of seven days below freezing temperature. Precipitation is assumed to be rain when the temperature is above 0℃.
Based on
xclim.indices.rain_on_frozen_ground_days
Produces:
rain_frzgr: Number of rain on frozen ground days [days]
atmos.relative_humidity
: Relative humidity from temperature, pressure and specific humidity.Description: Compute relative humidity from temperature and either dewpoint temperature or specific humidity and pressure through the saturation vapor pressure.
Based on
xclim.indices.relative_humidity
Produces:
hurs: Relative humidity [%]
atmos.relative_humidity_from_dewpoint
: Relative humidity from temperature and dewpoint temperature.Description: Compute relative humidity from temperature and either dewpoint temperature or specific humidity and pressure through the saturation vapor pressure.
Based on
xclim.indices.relative_humidity
Produces:
hurs: Relative humidity [%]
atmos.saturation_vapor_pressure
: Saturation vapor pressure from temperature.Description:
Based on
xclim.indices.saturation_vapor_pressure
Produces:
e_sat: Saturation vapor pressure [Pa]
atmos.snowfall_approximation
: Snowfall approximation from total precipitation and temperature.Description: Solid precipitation estimated from precipitation and temperature according to a given method.
Based on
xclim.indices.snowfall_approximation
Produces:
prsn: Solid precipitation [kg m-2 s-1]
atmos.solid_precip_accumulation
: Accumulated solid precipitation.Description: Resample the original daily mean precipitation flux and accumulate over each period. If a daily temperature is provided, the `phase` keyword can be used to sum precipitation of a given phase only. When the temperature is under the provided threshold, precipitation is assumed to be snow, and liquid rain otherwise. This indice is agnostic to the type of daily temperature (tas, tasmax or tasmin) given.
Based on
xclim.indices.precip_accumulation
Produces:
solidprcptot: Total solid precipitation [mm]
atmos.specific_humidity
: Specific humidity from temperature, relative humidity and pressure.Description:
Based on
xclim.indices.specific_humidity
Produces:
huss: Specific humidity []
atmos.tg
: Average temperature from minimum and maximum temperatures.Based on
xclim.indices.tas
Produces:
tg: Daily mean temperature [K]
atmos.tg10p
: Number of days with daily mean temperature below the 10th percentile.Based on
xclim.indices.tg10p
Produces:
tg10p: Number of days when tmean < 10th percentile [days]
atmos.tg90p
: Number of days with daily mean temperature over the 90th percentile.Based on
xclim.indices.tg90p
Produces:
tg90p: Number of days when tmean > 90th percentile [days]
atmos.tg_days_above
: Number of days with tas above a threshold.Based on
xclim.indices.tg_days_above
Produces:
tg_days_above: Number of days with tavg > 10.0 degc [days]
atmos.tg_days_below
: Number of days with tas below a threshold.Based on
xclim.indices.tg_days_below
Produces:
tg_days_below: Number of days with tavg < 10.0 degc [days]
atmos.tg_max
: Highest mean temperature.Based on
xclim.indices.tg_max
Produces:
tg_max: Maximum daily mean temperature [K]
atmos.tg_mean
: Mean of daily average temperature.Based on
xclim.indices.tg_mean
Produces:
tg_mean: Mean daily mean temperature [K]
atmos.tg_min
: Lowest mean temperature.Based on
xclim.indices.tg_min
Produces:
tg_min: Minimum daily mean temperature [K]
atmos.tn10p
: Number of days with daily minimum temperature below the 10th percentile.Based on
xclim.indices.tn10p
Produces:
tn10p: Number of days when tmin < 10th percentile [days]
atmos.tn90p
: Number of days with daily minimum temperature over the 90th percentile.Based on
xclim.indices.tn90p
Produces:
tn90p: Number of days when tmin > 90th percentile [days]
atmos.tn_days_above
: Number of days with tasmin above a threshold (number of tropical nights).Based on
xclim.indices.tn_days_above
Produces:
tn_days_above: Number of days with tmin > 20.0 degc [days]
atmos.tn_days_below
: Number of days with tasmin below a threshold.Based on
xclim.indices.tn_days_below
Produces:
tn_days_below: Number of days with tmin < -10.0 degc [days]
atmos.tn_max
: Highest minimum temperature.Based on
xclim.indices.tn_max
Produces:
tn_max: Maximum daily minimum temperature [K]
atmos.tn_mean
: Mean minimum temperature.Based on
xclim.indices.tn_mean
Produces:
tn_mean: Mean daily minimum temperature [K]
atmos.tn_min
: Lowest minimum temperature.Based on
xclim.indices.tn_min
Produces:
tn_min: Minimum daily minimum temperature [K]
atmos.tropical_nights
: Number of days with tasmin above a threshold (number of tropical nights).Based on
xclim.indices.tn_days_above
Produces:
tropical_nights: Number of tropical nights (tmin > 20 degc) [days]
atmos.tx10p
: Number of days with daily maximum temperature below the 10th percentile.Based on
xclim.indices.tx10p
Produces:
tx10p: Number of days when tmax < 10th percentile [days]
atmos.tx90p
: Number of days with daily maximum temperature over the 90th percentile.Based on
xclim.indices.tx90p
Produces:
tx90p: Number of days when tmax > 90th percentile [days]
atmos.tx_days_above
: Number of days with tasmax above a threshold (number of summer days).Based on
xclim.indices.tx_days_above
Produces:
tx_days_above: Number of days with tmax > 25.0 degc [days]
atmos.tx_days_below
: Number of days with tmax below a threshold.Based on
xclim.indices.tx_days_below
Produces:
tx_days_below: Number of days with tmax < 25.0 degc [days]
atmos.tx_max
: Highest max temperature.Based on
xclim.indices.tx_max
Produces:
tx_max: Maximum daily maximum temperature [K]
atmos.tx_mean
: Mean max temperature.Based on
xclim.indices.tx_mean
Produces:
tx_mean: Mean daily maximum temperature [K]
atmos.tx_min
: Lowest max temperature.Based on
xclim.indices.tx_min
Produces:
tx_min: Minimum daily maximum temperature [K]
atmos.tx_tn_days_above
: Number of days with both hot maximum and minimum daily temperatures.Based on
xclim.indices.tx_tn_days_above
Produces:
tx_tn_days_above: Number of days with tmax > 30 degc and tmin > 22 degc [days]
atmos.warm_and_dry_days
: warm and dry daysBased on
xclim.indices.warm_and_dry_days
Produces:
warm_and_dry_days: Warm and dry days [days]
atmos.warm_and_wet_days
: warm and wet daysBased on
xclim.indices.warm_and_wet_days
Produces:
warm_and_wet_days: Warm and wet days [days]
atmos.warm_spell_duration_index
: Warm spell duration index.Based on
xclim.indices.warm_spell_duration_index
Produces:
warm_spell_duration_index: Warm spell duration index. [days]
atmos.water_budget
: Precipitation minus potential evapotranspiration.Based on
xclim.indices.water_budget
Produces:
water_budget: Water budget [kg m-2 s-1]
atmos.wetdays
: Wet days.Based on
xclim.indices.wetdays
Produces:
wetdays: Number of wet days (precip >= 1.0 mm/day) [days]
atmos.wind_chill_index
: Wind chill index.Description: The Wind Chill Index is an estimation of how cold the weather feels to the average person. It is computed from the air temperature and the 10-m wind. As defined by the Environment and Climate Change Canada ([MVSZ15]_), two equations exist, the conventional one and one for slow winds (usually < 5 km/h), see Notes.
Based on
xclim.indices.wind_chill_index
Produces:
wind_chill: Wind chill index [degC]
atmos.wind_speed_from_vector
: Wind speed and direction from the eastward and northward wind components.Based on
xclim.indices.uas_vas_2_sfcwind
Produces:
sfcWind: Near-surface wind speed [m s-1]
sfcWindfromdir: Near-surface wind from direction [degree]
atmos.wind_vector_from_speed
: Eastward and northward wind components from the wind speed and direction.Based on
xclim.indices.sfcwind_2_uas_vas
Produces:
uas: Near-surface eastward wind [m s-1]
vas: Near-surface northward wind [m s-1]
atmos.windy_days
: Windy days.Based on
xclim.indices.windy_days
Produces:
windy_days: Number of days with surface wind speed above threshold [days]
land: Land surface
land.base_flow_index
: Base flow index.Based on
xclim.indices.base_flow_index
Produces:
base_flow_index: Base flow index []
land.blowing_snow
: Days with blowing snow eventsBased on
xclim.indices.blowing_snow
Produces:
annual_blowing_snow: Number of days where snowfall and wind speeds are above respective thresholds. [days]
land.continuous_snow_cover_end
: End date of continuous snow cover.Based on
xclim.indices.continuous_snow_cover_end
Produces:
continuous_snow_cover_end: Start date of continuous snow cover []
land.continuous_snow_cover_start
: Start date of continuous snow cover.Based on
xclim.indices.continuous_snow_cover_start
Produces:
continuous_snow_cover_start: Start date of continuous snow cover []
land.doy_qmax
: Day of year of the maximum.Based on
xclim.indices.generic.select_resample_op
Produces:
q_doy_qmax: Day of the year of the maximum over []
land.doy_qmin
: Day of year of the minimum.Based on
xclim.indices.generic.select_resample_op
Produces:
q_doy_qmin: Day of the year of the minimum over []
land.fit
: Distribution parameters fitted over the time dimension.Based on
xclim.indices.fit
Produces:
params: Normal distribution parameters []
land.freq_analysis
: Flow values for given return periods.Based on
xclim.indices.frequency_analysis
Produces:
q1None: N-year return period none 1-day flow [m^3 s-1]
land.rb_flashiness_index
: Richards-Baker flashiness index.Based on
xclim.indices.rb_flashiness_index
Produces:
rbi: Richards-baker flashiness index []
land.snd_max_doy
: Maximum snow depth day of year.Based on
xclim.indices.snd_max_doy
Produces:
annual_snd_max_doy: Date when snow depth reaches its maximum value. []
land.snow_cover_duration
: Number of days with snow depth above a threshold.Based on
xclim.indices.snow_cover_duration
Produces:
snow_cover_duration: Number of days with snow depth above threshold [days]
land.snow_depth
: Mean of daily average snow depth.Based on
xclim.indices.snow_depth
Produces:
snow_depth: Mean of daily snow depth [cm]
land.snow_melt_we_max
: Maximum snow meltBased on
xclim.indices.snow_melt_we_max
Produces:
annual_snow_melt_we_max: The maximum snow melt over a given number of days for each period. [mass/area]. [kg m-2]
land.stats
: Statistic of the daily flow on a given period.Based on
xclim.indices.generic.select_resample_op
Produces:
qNone: Annual none of daily flow [m^3 s-1]
land.winter_storm
: Days with snowfall over threshold.Based on
xclim.indices.winter_storm
Produces:
annual_winter_storm: Number of days per period identified as winter storms. [days]
seaIce: Sea ice
seaIce.sea_ice_area
: Total sea ice area.Based on
xclim.indices.sea_ice_area
Produces:
sea_ice_area: Sea ice area [m2]
seaIce.sea_ice_extent
: Total sea ice extent.Based on
xclim.indices.sea_ice_extent
Produces:
sea_ice_extent: Sea ice extent [m2]
Virtual submodules
CF Standard indices
Indicator found here are defined by the team at clix-meta. Adapted documentation from that repository follows:
The repository aims to provide a platform for thinking about, and developing, a unified view of metadata elements required to describe climate indices (aka climate indicators).
To facilitate data exchange and dissemination the metadata should, as far as possible, follow the Climate and Forecasting (CF) Conventions. Considering the very rich and diverse flora of climate indices this is however not always possible. By collecting a wide range of different indices it is easier to discover any common patterns and features that are currently not well covered by the CF Conventions. Currently identified issues frequently relate to standard_name or/and cell_methods which both are controlled vocabularies of the CF Conventions.
cf.cdd
: Calculate statistics on lengths of spells.Based on
xclim.indices.generic.spell_length
Produces:
cdd: Maximum consecutive dry days (precip < 1mm) [day]
cf.cddcoldTT
: Calculate the temperature sum above/below a threshold.Based on
xclim.indices.generic.temperature_sum
Produces:
cddcoldNone: Cooling degree days (tmean > nonec) [degree_Celsius day]
cf.cfd
: Calculate the number of times some condition is met.Based on
xclim.indices.generic.count_occurrences
Produces:
cfd: Maximum number of consecutive frost days (tmin < 0 c) [day]
cf.csu
: Calculate the number of times some condition is met.Based on
xclim.indices.generic.count_occurrences
Produces:
csu: Maximum number of consecutive summer days (tmax >25 c) [day]
cf.ctmgeTT
: Calculate statistics on lengths of spells.Based on
xclim.indices.generic.spell_length
Produces:
ctmgeNone: Maximum number of consequtive days with tmean >= nonec [day]
cf.ctmgtTT
: Calculate statistics on lengths of spells.Based on
xclim.indices.generic.spell_length
Produces:
ctmgtNone: Maximum number of consequtive days with tmean > nonec [day]
cf.ctmleTT
: Calculate statistics on lengths of spells.Based on
xclim.indices.generic.spell_length
Produces:
ctmleNone: Maximum number of consequtive days with tmean <= nonec [day]
cf.ctmltTT
: Calculate statistics on lengths of spells.Based on
xclim.indices.generic.spell_length
Produces:
ctmltNone: Maximum number of consequtive days with tmean < nonec [day]
cf.ctngeTT
: Calculate statistics on lengths of spells.Based on
xclim.indices.generic.spell_length
Produces:
ctngeNone: Maximum number of consequtive days with tmin >= nonec [day]
cf.ctngtTT
: Calculate statistics on lengths of spells.Based on
xclim.indices.generic.spell_length
Produces:
ctngtNone: Maximum number of consequtive days with tmin > nonec [day]
cf.ctnleTT
: Calculate statistics on lengths of spells.Based on
xclim.indices.generic.spell_length
Produces:
ctnleNone: Maximum number of consequtive days with tmin <= nonec [day]
cf.ctnltTT
: Calculate statistics on lengths of spells.Based on
xclim.indices.generic.spell_length
Produces:
ctnltNone: Maximum number of consequtive days with tmin < nonec [day]
cf.ctxgeTT
: Calculate statistics on lengths of spells.Based on
xclim.indices.generic.spell_length
Produces:
ctxgeNone: Maximum number of consequtive days with tmax >= nonec [day]
cf.ctxgtTT
: Calculate statistics on lengths of spells.Based on
xclim.indices.generic.spell_length
Produces:
ctxgtNone: Maximum number of consequtive days with tmax > nonec [day]
cf.ctxleTT
: Calculate statistics on lengths of spells.Based on
xclim.indices.generic.spell_length
Produces:
ctxleNone: Maximum number of consequtive days with tmax <= nonec [day]
cf.ctxltTT
: Calculate statistics on lengths of spells.Based on
xclim.indices.generic.spell_length
Produces:
ctxltNone: Maximum number of consequtive days with tmax < nonec [day]
cf.cwd
: Calculate statistics on lengths of spells.Based on
xclim.indices.generic.spell_length
Produces:
cwd: Maximum consecutive wet days (precip >= 1mm) [day]
cf.ddgtTT
: Calculate the temperature sum above/below a threshold.Based on
xclim.indices.generic.temperature_sum
Produces:
ddgtNone: Degree days (tmean > nonec) [degree_Celsius day]
cf.ddltTT
: Calculate the temperature sum above/below a threshold.Based on
xclim.indices.generic.temperature_sum
Produces:
ddltNone: Degree days (tmean < nonec) [degree_Celsius day]
cf.dtr
: Calculate the average diurnal temperature range.Based on
xclim.indices.generic.diurnal_temperature_range
Produces:
dtr: Mean diurnal temperature range [degree_Celsius]
cf.etr
: Calculate the extreme temperature range as the maximum of daily maximum temperature minus the minimum of daily minimum temperature.Based on
xclim.indices.generic.extreme_temperature_range
Produces:
etr: Intra-period extreme temperature range [degree_Celsius]
cf.fg
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
fg: Mean of daily mean wind strength [meter second-1]
cf.fxx
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
fxx: Maximum value of daily maximum wind gust strength [meter second-1]
cf.gd4
: Calculate the temperature sum above/below a threshold.Based on
xclim.indices.generic.temperature_sum
Produces:
gd4: Growing degree days (sum of tmean > 4 c) [degree_Celsius day]
cf.gddgrow5
: Calculate the temperature sum above/below a threshold.Based on
xclim.indices.generic.temperature_sum
Produces:
gddgrow5: Annual growing degree days (tmean > 5c) [degree_Celsius day]
cf.hd17
: Calculate the temperature sum above/below a threshold.Based on
xclim.indices.generic.temperature_sum
Produces:
hd17: Heating degree days (sum of tmean > 17 c) [degree_Celsius day]
cf.hddheatTT
: Calculate the temperature sum above/below a threshold.Based on
xclim.indices.generic.temperature_sum
Produces:
hddheatNone: Heating degree days (tmean < nonec) [degree_Celsius day]
cf.pp
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
pp: Mean of daily sea level pressure [hPa]
cf.rh
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
rh: Mean of daily relative humidity [%]
cf.sd
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
sd: Mean of daily snow depth [cm]
cf.sdii
: Calculate a simple statistic of the data for which some condition is met.Based on
xclim.indices.generic.thresholded_statistics
Produces:
sdii: Average precipitation during wet days (sdii) [mm day-1]
cf.ss
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
ss: Sunshine duration, sum [hour]
cf.tg
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
tg: Mean of daily mean temperature [degree_Celsius]
cf.tmm
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
tmm: Mean daily mean temperature [degree_Celsius]
cf.tmmax
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
tmmax: Maximum daily mean temperature [degree_Celsius]
cf.tmmean
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
tmmean: Mean daily mean temperature [degree_Celsius]
cf.tmmin
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
tmmin: Minimum daily mean temperature [degree_Celsius]
cf.tmn
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
tmn: Minimum daily mean temperature [degree_Celsius]
cf.tmx
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
tmx: Maximum daily mean temperature [degree_Celsius]
cf.tn
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
tn: Mean of daily minimum temperature [degree_Celsius]
cf.tnm
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
tnm: Mean daily minimum temperature [degree_Celsius]
cf.tnmax
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
tnmax: Maximum daily minimum temperature [degree_Celsius]
cf.tnmean
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
tnmean: Mean daily minimum temperature [degree_Celsius]
cf.tnmin
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
tnmin: Minimum daily minimum temperature [degree_Celsius]
cf.tnn
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
tnn: Minimum daily minimum temperature [degree_Celsius]
cf.tnx
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
tnx: Maximum daily minimum temperature [degree_Celsius]
cf.tx
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
tx: Mean of daily maximum temperature [degree_Celsius]
cf.txm
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
txm: Mean daily maximum temperature [degree_Celsius]
cf.txmax
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
txmax: Maximum daily maximum temperature [degree_Celsius]
cf.txmean
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
txmean: Mean daily maximum temperature [degree_Celsius]
cf.txmin
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
txmin: Minimum daily maximum temperature [degree_Celsius]
cf.txn
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
txn: Minimum daily maximum temperature [degree_Celsius]
cf.txx
: Calculate a simple statistic of the data.Based on
xclim.indices.generic.statistics
Produces:
txx: Maximum daily maximum temperature [degree_Celsius]
cf.vdtr
: Calculate the average absolute day-to-day difference in diurnal temperature range.Based on
xclim.indices.generic.interday_diurnal_temperature_range
Produces:
vdtr: Mean day-to-day variation in diurnal temperature range [degree_Celsius]
ICCLIM indices
The European Climate Assessment & Dataset project (ECAD) defines a set of 26 core climate indices. Those have been made accessible directly in xclim through their ECAD name for compatibility. However, the methods in this module are only wrappers around the corresponding methods of xclim.indices. Note that none of the checks performed by the xclim.utils.Indicator class (like with xclim.atmos indicators) are performed in this module.
icclim.BEDD
: Biologically effective growing degree days.Based on
xclim.indices.biologically_effective_degree_days
Produces:
BEDD: Biologically effective growing degree days (summation of min((max((tmin + tmax)/2 - 10 degc, 0)), 9°c), for days between 1 april and 30 september) [K days]
icclim.CD
: Cold and dry daysBased on
xclim.indices.cold_and_dry_days
Produces:
CD: Cold and dry days [days]
icclim.CDD
: Maximum number of consecutive dry days.Based on
xclim.indices.maximum_consecutive_dry_days
Produces:
CDD: Maximum number of consecutive dry days (rr<1 mm) [days]
icclim.CFD
: Maximum number of consecutive frost days (Tn < 0℃).Based on
xclim.indices.maximum_consecutive_frost_days
Produces:
CFD: Maximum number of consecutive frost days (tn<0◦c) [days]
icclim.CSDI
: Cold spell duration index.Based on
xclim.indices.cold_spell_duration_index
Produces:
CSDI: Cold-spell duration index [days]
icclim.CSU
: Maximum number of consecutive days with tasmax above a threshold (summer days).Based on
xclim.indices.maximum_consecutive_tx_days
Produces:
CSU: Maximum number of consecutive summer day [days]
icclim.CW
: cold and wet daysBased on
xclim.indices.cold_and_wet_days
Produces:
CW: Cold and wet days [days]
icclim.CWD
: Consecutive wet days.Based on
xclim.indices.maximum_consecutive_wet_days
Produces:
CWD: Maximum number of consecutive wet days (rr≥1 mm) [days]
icclim.DTR
: Mean of daily temperature range.Based on
xclim.indices.daily_temperature_range
Produces:
DTR: Mean of diurnal temperature range [K]
icclim.ETR
: Extreme intra-period temperature range.Based on
xclim.indices.extreme_temperature_range
Produces:
ETR: Intra-period extreme temperature range [K]
icclim.FD
: Frost days index.Based on
xclim.indices.frost_days
Produces:
FD: Frost days (tn<0◦c) [days]
icclim.GD4
: Growing degree-days over threshold temperature value.Based on
xclim.indices.growing_degree_days
Produces:
GD4: Growing degree days (sum of tg>4◦c) [K days]
icclim.GSL
: Growing season length.Based on
xclim.indices.growing_season_length
Produces:
GSL: Growing season length [days]
icclim.HD17
: Heating degree days.Based on
xclim.indices.heating_degree_days
Produces:
HD17: Heating degree days (sum of17◦c - tg) [K days]
icclim.HI
: Huglin Heliothermal Index.Based on
xclim.indices.huglin_index
Produces:
HI: Huglin heliothermal index (summation of ((tmin + tmax)/2 - 10 degc) * latitude-based day-length coefficient (`k`), for days between 1 april and 31 october) []
icclim.ID
: Number of ice/freezing days.Based on
xclim.indices.ice_days
Produces:
ID: Ice days (tx<0◦c) [days]
icclim.R10mm
: Wet days.Based on
xclim.indices.wetdays
Produces:
R10mm: Number of wet days (precip >= 10 mm/day) [days]
icclim.R20mm
: Wet days.Based on
xclim.indices.wetdays
Produces:
R20mm: Very heavy precipitation days (precipitation≥20 mm) [days]
icclim.R75p
: Number of wet days with daily precipitation over a given percentile.Based on
xclim.indices.days_over_precip_thresh
Produces:
R75p: Count of days with daily precipitation above the given percentile [days]. [days]
icclim.R75pTOT
: Fraction of precipitation due to wet days with daily precipitation over a given percentile.Based on
xclim.indices.fraction_over_precip_thresh
Produces:
R75pTOT: Precipitation fraction due to moderate wet days (>75th percentile) []
icclim.R95p
: Number of wet days with daily precipitation over a given percentile.Based on
xclim.indices.days_over_precip_thresh
Produces:
R95p: Count of days with daily precipitation above the given percentile [days]. [days]
icclim.R95pTOT
: Fraction of precipitation due to wet days with daily precipitation over a given percentile.Based on
xclim.indices.fraction_over_precip_thresh
Produces:
R95pTOT: Precipitation fraction due to very wet days (>95th percentile) []
icclim.R99p
: Number of wet days with daily precipitation over a given percentile.Based on
xclim.indices.days_over_precip_thresh
Produces:
R99p: Count of days with daily precipitation above the given percentile [days]. [days]
icclim.R99pTOT
: Fraction of precipitation due to wet days with daily precipitation over a given percentile.Based on
xclim.indices.fraction_over_precip_thresh
Produces:
R99pTOT: Precipitation fraction due to extremely wet days (>99th percentile) []
icclim.RR
: Accumulated total precipitation (solid and liquid)Based on
xclim.indices.precip_accumulation
Produces:
RR: Precipitation sum [mm]
icclim.RR1
: Wet days.Based on
xclim.indices.wetdays
Produces:
RR1: Wet days (rr≥1 mm) [days]
icclim.RX1day
: Highest 1-day precipitation amount for a period (frequency).Based on
xclim.indices.max_1day_precipitation_amount
Produces:
RX1day: Highest 1-day precipitation amount [mm/day]
icclim.RX5day
: Highest precipitation amount cumulated over a n-day moving window.Based on
xclim.indices.max_n_day_precipitation_amount
Produces:
RX5day: Highest 5-day precipitation amount [mm]
icclim.SD
: Mean of daily average snow depth.Based on
xclim.indices.snow_depth
Produces:
SD: Mean of daily snow depth [cm]
icclim.SD1
: Number of days with snow depth above a threshold.Based on
xclim.indices.snow_cover_duration
Produces:
SD1: Snow days (sd≥1 cm) [days]
icclim.SD50cm
: Number of days with snow depth above a threshold.Based on
xclim.indices.snow_cover_duration
Produces:
SD50cm: Snow days (sd≥50 cm) [days]
icclim.SD5cm
: Number of days with snow depth above a threshold.Based on
xclim.indices.snow_cover_duration
Produces:
SD5cm: Snow days (sd≥5 cm) [days]
icclim.SDII
: Average daily precipitation intensity.Based on
xclim.indices.daily_pr_intensity
Produces:
SDII: Average precipitation during wet days (sdii) [mm/day]
icclim.SU
: Number of days with tasmax above a threshold (number of summer days).Based on
xclim.indices.tx_days_above
Produces:
SU: Summer days (tx>25◦c) [days]
icclim.TG
: Mean of daily average temperature.Based on
xclim.indices.tg_mean
Produces:
TG: Mean daily mean temperature [K]
icclim.TG10p
: Number of days with daily mean temperature below the 10th percentile.Based on
xclim.indices.tg10p
Produces:
TG10p: Days with tg<10th percentile of daily mean temperature (cold days) [days]
icclim.TG90p
: Number of days with daily mean temperature over the 90th percentile.Based on
xclim.indices.tg90p
Produces:
TG90p: Days with tg>90th percentile of daily mean temperature (warm days) [days]
icclim.TGn
: Lowest mean temperature.Based on
xclim.indices.tg_min
Produces:
TGn: Minimum daily mean temperature [K]
icclim.TGx
: Highest mean temperature.Based on
xclim.indices.tg_max
Produces:
TGx: Maximum daily mean temperature [K]
icclim.TN
: Mean minimum temperature.Based on
xclim.indices.tn_mean
Produces:
TN: Mean daily minimum temperature [K]
icclim.TN10p
: Number of days with daily minimum temperature below the 10th percentile.Based on
xclim.indices.tn10p
Produces:
TN10p: Days with tn<10th percentile of daily minimum temperature (cold nights) [days]
icclim.TN90p
: Number of days with daily minimum temperature over the 90th percentile.Based on
xclim.indices.tn90p
Produces:
TN90p: Days with tn>90th percentile of daily minimum temperature (warm nights) [days]
icclim.TNn
: Lowest minimum temperature.Based on
xclim.indices.tn_min
Produces:
TNn: Minimum daily minimum temperature [K]
icclim.TNx
: Highest minimum temperature.Based on
xclim.indices.tn_max
Produces:
TNx: Maximum daily minimum temperature [K]
icclim.TR
: Number of days with tasmin above a threshold (number of tropical nights).Based on
xclim.indices.tn_days_above
Produces:
TR: Tropical nights (tn>20◦c) [days]
icclim.TX
: Mean max temperature.Based on
xclim.indices.tx_mean
Produces:
TX: Mean daily maximum temperature [K]
icclim.TX10p
: Number of days with daily maximum temperature below the 10th percentile.Based on
xclim.indices.tx10p
Produces:
TX10p: Days with tx<10th percentile of daily maximum temperature (cold day-times) [days]
icclim.TX90p
: Number of days with daily maximum temperature over the 90th percentile.Based on
xclim.indices.tx90p
Produces:
TX90p: Number of days when tmax > 90th percentile [days]
icclim.TXn
: Lowest max temperature.Based on
xclim.indices.tx_min
Produces:
TXn: Minimum daily maximum temperature [K]
icclim.TXx
: Highest max temperature.Based on
xclim.indices.tx_max
Produces:
TXx: Maximum daily maximum temperature [K]
icclim.WD
: warm and dry daysBased on
xclim.indices.warm_and_dry_days
Produces:
WD: Warm and dry days [days]
icclim.WSDI
: Warm spell duration index.Based on
xclim.indices.warm_spell_duration_index
Produces:
WSDI: Warm-spell duration index [days]
icclim.WW
: warm and wet daysBased on
xclim.indices.warm_and_wet_days
Produces:
WW: Warm and wet days [days]
icclim.vDTR
: Mean absolute day-to-day variation in daily temperature range.Based on
xclim.indices.daily_temperature_range_variability
Produces:
vDTR: Mean absolute day-to-day difference in dtr [K]
ANUCLIM indices
The ANUCLIM (v6.1) software package’ BIOCLIM sub-module produces a set of Bioclimatic parameters derived values of temperature and precipitation. The methods in this module are wrappers around a subset of corresponding methods of xclim.indices. Note that none of the checks performed by the xclim.utils.Indicator class (like with xclim.atmos indicators) are performed in this module.
Futhermore, according to the ANUCLIM user-guide https://fennerschool.anu.edu.au/files/anuclim61.pdf (ch. 6), input values should be at a weekly (or monthly) frequency. However, the xclim.indices implementation here will calculate the result with input data of any frequency.
anuclim.P10_MeanTempWarmestQuarter
: ANUCLIM Mean temperature of warmest/coldest quarter.Based on
xclim.indices.tg_mean_warmcold_quarter
Produces:
P10_MeanTempWarmestQuarter: Mean temperature values of the warmest quearter of each year. [K]
anuclim.P11_MeanTempColdestQuarter
: ANUCLIM Mean temperature of warmest/coldest quarter.Based on
xclim.indices.tg_mean_warmcold_quarter
Produces:
P11_MeanTempColdestQuarter: Mean temperature values of the coldest quearter of each year. [K]
anuclim.P12_AnnualPrecip
: Accumulated total precipitation (solid and liquid)Based on
xclim.indices.precip_accumulation
Produces:
P12_AnnualPrecip: Annual precipitation [mm]
anuclim.P13_PrecipWettestPeriod
: ANUCLIM precipitation of the wettest/driest day, week, or month, depending on the time step.Based on
xclim.indices.prcptot_wetdry_period
Produces:
P13_PrecipWettestPeriod: Total precipitation of the wettest period. [mm]
anuclim.P14_PrecipDriestPeriod
: ANUCLIM precipitation of the wettest/driest day, week, or month, depending on the time step.Based on
xclim.indices.prcptot_wetdry_period
Produces:
P14_PrecipDriestPeriod: Total precipitation of the driest period. [mm]
anuclim.P15_PrecipSeasonality
: ANUCLIM Precipitation Seasonality (C of V).Based on
xclim.indices.precip_seasonality
Produces:
P15_PrecipSeasonality: Precipitation coefficient of variation []
anuclim.P16_PrecipWettestQuarter
: ANUCLIM Total precipitation of wettest/driest quarter.Based on
xclim.indices.prcptot_wetdry_quarter
Produces:
P16_PrecipWettestQuarter: Total precipitation values of the wettest quarter of each year. [mm]
anuclim.P17_PrecipDriestQuarter
: ANUCLIM Total precipitation of wettest/driest quarter.Based on
xclim.indices.prcptot_wetdry_quarter
Produces:
P17_PrecipDriestQuarter: Total precipitation values of the driest quarter of each year. [mm]
anuclim.P18_PrecipWarmestQuarter
: ANUCLIM Total precipitation of warmest/coldest quarter.Based on
xclim.indices.prcptot_warmcold_quarter
Produces:
P18_PrecipWarmestQuarter: Total precipitation values of the warmest quarter of each year [mm]
anuclim.P19_PrecipColdestQuarter
: ANUCLIM Total precipitation of warmest/coldest quarter.Based on
xclim.indices.prcptot_warmcold_quarter
Produces:
P19_PrecipColdestQuarter: Total precipitation values of the coldest quarter of each year [mm]
anuclim.P1_AnnMeanTemp
: Mean of daily average temperature.Based on
xclim.indices.tg_mean
Produces:
P1_AnnMeanTemp: Mean daily mean temperature [K]
anuclim.P2_MeanDiurnalRange
: Mean of daily temperature range.Based on
xclim.indices.daily_temperature_range
Produces:
P2_MeanDiurnalRange: Mean diurnal temperature range [K]
anuclim.P3_Isothermality
: Isothermality.Based on
xclim.indices.isothermality
Produces:
P3_Isothermality: Isothermality []
anuclim.P4_TempSeasonality
: ANUCLIM temperature seasonality (coefficient of variation).Based on
xclim.indices.temperature_seasonality
Produces:
P4_TempSeasonality: Mean temperature coefficient of variation []
anuclim.P5_MaxTempWarmestPeriod
: Highest max temperature.Based on
xclim.indices.tx_max
Produces:
P5_MaxTempWarmestPeriod: Max temperature of warmest period [K]
anuclim.P6_MinTempColdestPeriod
: Lowest minimum temperature.Based on
xclim.indices.tn_min
Produces:
P6_MinTempColdestPeriod: Min temperature of coldest period [K]
anuclim.P7_TempAnnualRange
: Extreme intra-period temperature range.Based on
xclim.indices.extreme_temperature_range
Produces:
P7_TempAnnualRange: Temperature annual range [K]
anuclim.P8_MeanTempWettestQuarter
: ANUCLIM Mean temperature of wettest/driest quarter.Based on
xclim.indices.tg_mean_wetdry_quarter
Produces:
P8_MeanTempWettestQuarter: Mean temperature values of the wettest quarter of each year. [K]
anuclim.P9_MeanTempDriestQuarter
: ANUCLIM Mean temperature of wettest/driest quarter.Based on
xclim.indices.tg_mean_wetdry_quarter
Produces:
P9_MeanTempDriestQuarter: Mean temperature values of the driest quarter of each year. [K]