Casper Area Economic Development Alliance Inc.
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Climate
National Oceanic and Atmospheric Administration Wyoming
Cities Forecast
– For planning and forecasting weather information
in most Wyoming cities.

Western Regional Climate Center - For regional and historical
climatological data.

Wyoming Department of Transportation Road Report – For winter
weather driving conditions on Wyoming highways and interstates.

Annual Average Temperature (°F): ............................ 45.2
Monthly Average Winter Low Temperature (°F): ..... 13
Monthly Mean Winter Temperature (°F): ................... 25.2
Monthly Average Summer High Temperature (°F): .. 87
Monthly Mean Summer Temperature (°F): ................ 67.7
Annual Average Snowfall (inches): .......................... . 77
Average Wind Speed (mph): ...................................... 12.9
Annual Average Precipitation (inches): .................... 11.9
Prevailing Winds: ......................................................... Southwesterly
Mean Length of Freeze - Free Period (Days): .......... 122

Source:  Western Regional Climate Center

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© 2008 CAEDA Casper Area Economic Development Alliance, Inc.
300 S.Wolcott Suite 300
Casper, Wyoming 82601-2468
Phone 307.577.7011
Fax 307.577.7014
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