| ck_apply_grid | Apply a climatekit Index Function Over a SpatRaster |
| ck_available | List All Available Climate Indices |
| ck_branas | Branas Hydrothermal Index |
| ck_browse | Browse the climatekit Index Catalogue |
| ck_catalogue | climatekit Index Catalogue |
| ck_compute | Compute a Climate Index by Name |
| ck_convert_temp | Convert Temperature Units |
| ck_cooling_degree_days | Cooling Degree Days |
| ck_csdi | Cold Spell Duration Index (CSDI) |
| ck_cwa | Cold-Wave Amplitude (CWA) |
| ck_cwd | Cold-Wave Duration (CWD, ET-SCI) |
| ck_cwf | Cold-Wave Frequency (CWF) |
| ck_cwm | Cold-Wave Magnitude (CWM) |
| ck_cwn | Cold-Wave Number (CWN) |
| ck_diurnal_range | Diurnal Temperature Range |
| ck_dry_days | Maximum Consecutive Dry Days |
| ck_ehf | Excess Heat Factor (EHF, Nairn & Fawcett 2013) |
| ck_etccdi_27 | Canonical ETCCDI 27 Indices |
| ck_fire_danger | Fire Danger Index (Simplified) |
| ck_first_frost | First Frost Date |
| ck_from_netcdf | Read a netCDF File as a SpatRaster |
| ck_frost_days | Frost Days |
| ck_growing_degree_days | Growing Degree Days |
| ck_growing_season | Growing Season Length |
| ck_heating_degree_days | Heating Degree Days |
| ck_heat_index | Heat Index |
| ck_heavy_precip | Heavy Precipitation Days |
| ck_huglin | Huglin Heliothermal Index |
| ck_humidex | Humidex |
| ck_hwa | Heatwave Amplitude (HWA) |
| ck_hwd | Heatwave Duration (HWD) |
| ck_hwf | Heatwave Frequency (HWF) |
| ck_hwm | Heatwave Magnitude (HWM) |
| ck_hwn | Heatwave Number (HWN) |
| ck_ice_days | Ice Days |
| ck_last_frost | Last Frost Date |
| ck_max_1day_precip | Maximum 1-Day Precipitation |
| ck_max_5day_precip | Maximum 5-Day Precipitation |
| ck_metadata | Get Metadata for a Climate Index |
| ck_pet | Potential Evapotranspiration (Hargreaves Method) |
| ck_pet_pm | Reference Evapotranspiration (FAO-56 Penman-Monteith) |
| ck_precip_intensity | Precipitation Intensity (SDII) |
| ck_r95p | Very Wet Days Total (R95p) |
| ck_r99p | Extremely Wet Days Total (R99p) |
| ck_spei | Standardized Precipitation-Evapotranspiration Index (SPEI) |
| ck_spi | Standardized Precipitation Index (SPI) |
| ck_summer_days | Summer Days |
| ck_tn10p | Percentage of Cool Nights (TN10p) |
| ck_tn90p | Percentage of Warm Nights (TN90p) |
| ck_tnn | Annual or Monthly Minimum of Daily Minimum Temperature (TNn) |
| ck_tnx | Annual or Monthly Maximum of Daily Minimum Temperature (TNx) |
| ck_total_precip | Total Wet-Day Precipitation (PRCPTOT) |
| ck_tropical_nights | Tropical Nights |
| ck_tx10p | Percentage of Cool Days (TX10p) |
| ck_tx90p | Percentage of Warm Days (TX90p) |
| ck_txn | Annual or Monthly Minimum of Daily Maximum Temperature (TXn) |
| ck_txx | Annual or Monthly Maximum of Daily Maximum Temperature (TXx) |
| ck_very_heavy_precip | Very Heavy Precipitation Days |
| ck_warm_spell | Warm Spell Days (Series-Quantile Approximation) |
| ck_wet_days | Maximum Consecutive Wet Days |
| ck_wind_chill | Wind Chill Temperature |
| ck_winkler | Winkler Index |
| ck_wsdi | Warm Spell Duration Index (WSDI) |
| clear_cache | Clear Cache |