ck_available            List All Available Climate Indices
ck_branas               Branas Hydrothermal Index
ck_compute              Compute a Climate Index by Name
ck_convert_temp         Convert Temperature Units
ck_cooling_degree_days
                        Cooling Degree Days
ck_diurnal_range        Diurnal Temperature Range
ck_dry_days             Maximum Consecutive Dry Days
ck_fire_danger          Fire Danger Index (Simplified)
ck_first_frost          First Frost Date
ck_frost_days           Frost Days
ck_growing_degree_days
                        Growing Degree Days
ck_growing_season       Growing Season Length
ck_heat_index           Heat Index
ck_heating_degree_days
                        Heating Degree Days
ck_heavy_precip         Heavy Precipitation Days
ck_huglin               Huglin Heliothermal Index
ck_humidex              Humidex
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_precip_intensity     Precipitation Intensity (SDII)
ck_spei                 Standardized Precipitation-Evapotranspiration
                        Index (SPEI)
ck_spi                  Standardized Precipitation Index (SPI)
ck_summer_days          Summer Days
ck_total_precip         Total Precipitation
ck_tropical_nights      Tropical Nights
ck_very_heavy_precip    Very Heavy Precipitation Days
ck_warm_spell           Warm Spell Days
ck_wet_days             Maximum Consecutive Wet Days
ck_wind_chill           Wind Chill Temperature
ck_winkler              Winkler Index
clear_cache             Clear Cache
