Projection
----------

PROJCS["Europe_Albers_Equal_Area_Conic",GEOGCS["GCS_European_1950",DATUM["D_European_1950",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Albers"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",15.0],PARAMETER["Standard_Parallel_1",43.0],PARAMETER["Standard_Parallel_2",62.0],PARAMETER["Latitude_Of_Origin",30.0],UNIT["Meter",1.0]]

Bioclim variables
-----------------

MAT	 	mean annual temperature (°C)
MWMT 	mean warmest month temperature (°C)
MCMT  	mean coldest month temperature (°C)
TD 	temperature difference between MWMT and MCMT(°C)
MAP 		mean annual precipitation (mm)
MSP 		mean summer (May to Sept.) precipitation (mm)
AH:M  	annual heat:moisture index (MAT+10)/(MAP/1000))
SH:M 	 	summer heat:moisture index ((MWMT)/(MSP/1000))
DD<0		degree-days below 0°C, chilling degree-days
DD>5		degree-days above 5°C, growing degree-days
DD<18	degree-days below 18°C, heating degree-days
DD>18	degree-days above 18°C, cooling degree-days
NFFD		the number of frost-free days
FFP		frost-free period
bFFP		the Julian date on which FFP begins
eFFP		the Julian date on which FFP ends
PAS		precipitation as snow (mm) between August in previous year and July in current year
EMT		extreme minimum temperature over 30 years
Eref		Hargreaves reference evaporation
CMD		Hargreaves climatic moisture deficit

TAV_wt	winter (Dec.(prev. yr) - Feb.) mean temperature (°C)
TAV_sp	spring (Mar. - May) mean temperature (°C)
TAV_sm	summer (Jun. - Aug.) mean temperature (°C)
TAV_at	autumn (Sep. - Nov.) mean temperature (°C)

TMAX_wt	winter mean maximum temperature (°C)
TMAX_sp	spring mean maximum temperature (°C)
TMAX_sm	summer mean maximum temperature (°C)
TMAX_at	autumn mean maximum temperature (°C)

TMIN_wt	winter mean minimum temperature (°C)
TMIN_sp	spring mean minimum temperature (°C)
TMIN_sm	summer mean minimum temperature (°C)
TMIN_at	autumn mean minimum temperature (°C)

Prec_wt	winter precipitation (mm)
Prec_sp	spring precipitation (mm) 
Prec_sm	summer precipitation (mm) 
Prec_at		autumn precipitation (mm)


Monthly variables
-----------------

Tave01 – Tave12 	January - December mean temperatures (°C)
Tmax01 – Tmax12 	January - December maximum mean temperatures (°C)
Tmin01 – Tmin12 	January - December minimum mean temperatures (°C)
Prec01 – Prec12  January - December precipitation (mm)