Package index • climatekit

Temperature

Daily temperature indices

ck_frost_days(): Frost Days
ck_ice_days(): Ice Days
ck_summer_days(): Summer Days
ck_tropical_nights(): Tropical Nights
ck_txx(): Annual or Monthly Maximum of Daily Maximum Temperature (TXx)
ck_tnx(): Annual or Monthly Maximum of Daily Minimum Temperature (TNx)
ck_txn(): Annual or Monthly Minimum of Daily Maximum Temperature (TXn)
ck_tnn(): Annual or Monthly Minimum of Daily Minimum Temperature (TNn)
ck_tx10p(): Percentage of Cool Days (TX10p)
ck_tn10p(): Percentage of Cool Nights (TN10p)
ck_tx90p(): Percentage of Warm Days (TX90p)
ck_tn90p(): Percentage of Warm Nights (TN90p)
ck_wsdi(): Warm Spell Duration Index (WSDI)
ck_csdi(): Cold Spell Duration Index (CSDI)
ck_warm_spell(): Warm Spell Days (Series-Quantile Approximation)
ck_hwn(): Heatwave Number (HWN)
ck_hwf(): Heatwave Frequency (HWF)
ck_hwd(): Heatwave Duration (HWD)
ck_hwm(): Heatwave Magnitude (HWM)
ck_hwa(): Heatwave Amplitude (HWA)
ck_cwn(): Cold-Wave Number (CWN)
ck_cwf(): Cold-Wave Frequency (CWF)
ck_cwd(): Cold-Wave Duration (CWD, ET-SCI)
ck_cwm(): Cold-Wave Magnitude (CWM)
ck_cwa(): Cold-Wave Amplitude (CWA)
ck_ehf(): Excess Heat Factor (EHF, Nairn & Fawcett 2013)
ck_diurnal_range(): Diurnal Temperature Range
ck_first_frost(): First Frost Date
ck_last_frost(): Last Frost Date
ck_convert_temp(): Convert Temperature Units

Precipitation

Rainfall and drought indices

ck_total_precip(): Total Wet-Day Precipitation (PRCPTOT)
ck_dry_days(): Maximum Consecutive Dry Days
ck_wet_days(): Maximum Consecutive Wet Days
ck_heavy_precip(): Heavy Precipitation Days
ck_very_heavy_precip(): Very Heavy Precipitation Days
ck_max_1day_precip(): Maximum 1-Day Precipitation
ck_max_5day_precip(): Maximum 5-Day Precipitation
ck_precip_intensity(): Precipitation Intensity (SDII)
ck_r95p(): Very Wet Days Total (R95p)
ck_r99p(): Extremely Wet Days Total (R99p)
ck_spi(): Standardized Precipitation Index (SPI)
ck_spei(): Standardized Precipitation-Evapotranspiration Index (SPEI)
ck_pet(): Potential Evapotranspiration (Hargreaves Method)
ck_pet_pm(): Reference Evapotranspiration (FAO-56 Penman-Monteith)

Agroclimatic

Growing-season and viticulture indices

ck_growing_degree_days(): Growing Degree Days
ck_growing_season(): Growing Season Length
ck_cooling_degree_days(): Cooling Degree Days
ck_heating_degree_days(): Heating Degree Days
ck_huglin(): Huglin Heliothermal Index
ck_winkler(): Winkler Index
ck_branas(): Branas Hydrothermal Index
ck_pet(): Potential Evapotranspiration (Hargreaves Method)

Comfort and Hazard

Heat, fire, and wind indices

ck_heat_index(): Heat Index
ck_humidex(): Humidex
ck_wind_chill(): Wind Chill Temperature
ck_fire_danger(): Fire Danger Index (Simplified)

Gridded / netCDF

Apply any climatekit index over a SpatRaster or read netCDF input

ck_apply_grid(): Apply a climatekit Index Function Over a SpatRaster
ck_from_netcdf(): Read a netCDF File as a SpatRaster

General

Compute any index by name; metadata; ETCCDI 27 audit; catalogue

ck_compute(): Compute a Climate Index by Name
ck_available(): List All Available Climate Indices
ck_metadata(): Get Metadata for a Climate Index
ck_etccdi_27(): Canonical ETCCDI 27 Indices
ck_catalogue(): climatekit Index Catalogue
ck_browse(): Browse the climatekit Index Catalogue
clear_cache(): Clear Cache

Package

climatekit climatekit-package: climatekit: Unified Climate Indices for Temperature, Precipitation, and Drought