Long-Term Annual Variability

View statewide averages, based on the period from 1901 to 2000, for temperature, precipitation, snowfall, and heating and cooling degree days dating back to 1895. These charts also show the departures from average, known as long-term climate variability.

For more in-depth climate variability data, visit the National Centers for Environmental Information’s Statewide Mapping tool.

Average Temperature

Maximum Temperature

Minimum Temperature

Precipitation

Snowfall

Heating Degree Day Units (Base 65 Degrees Fahrenheit)

Cooling Degree Day Units (Base 65 Degrees Fahrenheit)