Ecoregion/climatic information | Mean annual temperatures | Mean summer temperatures | Mean winter Temperatures | Mean annual precipitation (mm) |
Taiga (TA) | −10˚C to 0˚C Cold subarctic | 6˚C and 14˚C | −26˚C to −11˚C | 200 to 500 to 1000 |
Hudson Plains (HP) | −7˚C to –2˚C. Cold continental | 11˚C to 14˚C | −19˚C to −16˚C | 400 to 800 |
Northern Forests (NF) | −4˚C to 5.5˚C Cold and moisture-laden | 11˚C to 18˚C | −20.5˚C to −1˚C | 400 to 1000 |
Northwestern Forested Mountains (FM) | −6˚C to 10˚C Cold | 10˚C to 21˚C | −23˚C to 0˚C | 250 to 2600 |
Marine West Coast Forests (MF) | 5˚C to 9˚C Cold to moderate | 10˚C to 16˚C | −1˚C to −3˚C. | 600 to 5000 |
Eastern Temperate Forests (TF) | Warm and temperate | 27˚C to 32˚C | −12˚C to 4˚C | 1000 to 1500 Humid |
Great Plains (GP) | - | Hot summers | Cold | Dry |
North American Deserts (AD) | Seasonal temperature extremes | Reaching to 57 | - | 130 to 380 Dry |
Mediterranean California (MC) | Hot Mediterranean | Hot | above 0˚C | 200 to 1000 Dry |