All-Time Records

From NCEI's State Climate Extremes 

 

Element

Value

Date(s)

Location

Maximum Temperature

115°F

July 15, 1988

Diversion Dam

 

 

August 8, 1983

Basin

Minimum Temperature

-66°F

February 9, 1933

Riverside Ranger Station

(Yellowstone National Park)

24-Hour Precipitation

6.06 inches

August 1, 1985

Cheyenne

24-Hour Snowfall

49 inches

March 21, 1924

Hunter Station

Snow Depth

128 inches

February 4, 1943

Grassy Lake Dam

 

List of Hazard Mitigation Plans

Wyoming State-Wide Plan

Cheyenne/Laramie County

Casper/Natrona County - Chapters 4 to 6

 

 

National Weather Service Offices

NWS Cheyenne

NWS Riverton

NWS Rapid City

NWS Billings