Coordinate Systems ------------------ X,Y: Projection: Lambert Conformal Conic False Easting: 0.00000000 False Northing: 0.00000000 Central Meridian: -95.00000000 Standard Parallel 1: 49.00000000 Standard Parallel 2: 77.00000000 Latitude Of Origin: 0.00000000 Linear Unit: Meter Datum: D WGS 1984 ELEV: Elevation in meters above sea level Climate Variables (see also http://climatemodels.forestry.ubc.ca/climatewna/downloads/help.pdf for more information ) ----------------- Monthly variables: Tmin: minimum temperature for a given month (°C) Tmax: maximum temperature for a given month (°C) Tave: mean temperature for a given month (°C) Ppt: total precipitation for a given month (mm) Bioclimatic variables: MAT: mean annual temperature (°C) MWMT: mean temperature of the warmest month (°C) MCMT: mean temperature of the coldest month (°C) TD: difference between MCMT and MWMT, as a measure of continentality (°C) MAP: mean annual precipitation (mm) MSP: mean summer (May to Sep) precipitation (mm) AHM: annual heat moisture index, calculated as (MAT+10)/(MAP/1000) SHM: summer heat moisture index, calculated as MWMT/(MSP/1000) DD_0: degree-days below 0°C (chilling degree days) DD5: degree-days above 5°C (growing degree days) DD_18: degree-days below 18°C DD18: degree-days above 18°C NFFD: the number of frost-free days bFFP: the julian date on which the frost-free period begins eFFP: the julian date on which the frost-free period ends FFP: frost-free period PAS: precipitation as snow (mm) EMT: extreme minimum temperature over 30 years EXT: extreme maximum temperature over 30 years Eref: Hargreave's reference evaporation CMD: Hargreave's climatic moisture index MAR: mean annual solar radiation (MJ m-2 d-1) (excludes areas south of US) RH: mean annual relative humidity (%) Tave_wt: winter (Dec to Feb) mean temperature (°C) Tave_sm: summer (Jun to Aug) mean temperature (°C) PPT_wt: winter (Dec to Feb) precipitation (mm) PPT_sm: summer (Jun to Aug) precipitation (mm) Data citation: AdaptWest Project. 2015. Gridded current and future climate data for North America at 1km resolution, interpolated using the ClimateNA v5.10 software (T. Wang et al., 2015). Available at adaptwest.databasin.org. Reference: Hamann, A., T. Wang, D. L. Spittlehouse, T. Q. Murdock. 2013. A comprehensive, high-resolution database of historical and projected climate surfaces for western North America. Bulletin of the American Meteorological Society, 94(9): 1307-1309.