Chpater 8: Climatic Zones and Types

all months average temperature ≤ 50oF. extraordinarily dry – but evaporation so low that qualifies as nonarid. 2 subcategories distinguished by summer temperature. tundra: at least 1 month with average temperature > freezing. ice cap: all months average temperature < freezing. Tundra Climate (ET) tundra ................
................