Altitude (m) 100 700 1280 1800 2400
Mean annual temperature (°C) 1 21.9 17.1 14.4 12.1 8.9
Mean annual precipitation (mm yr–1) 1 3905 5934 3503 2277 984
Mean annual potential evapotranspiration (mm yr–1) 1 2476 1599 1550 1308 1716
Aridity index (—) 1 1.58 3.71 2.26 1.74 0.57
Mean annual wind speed (m s–1) 1 0.89 0.90 0.96 1.27 2.69
Atmosphere pressure (kPa) 2 100.1 93.0 87.5 81.3 75.6