Preliminary
Wyoming Monthly Climatology
November 2001
Statewide Summary
Despite snow during the latter part of November, the state-wide drought continues.
Sample precipitation totals for November indicate above normal amounts over the mountains and below normal over the river basins and plains.
Temperatures averaged from 1 to 6 degrees above normal across the state during the month.
The first winter Arctic blast of cold air invaded the state on 27-28 November after the first significant snowfall of the season occurred over the Thanksgiving weekend.
The average temperature in November 2001 was 34.8 F. This was 4.6 F warmer than the 1895-2001 average, the 95th warmest December in 107 years. The temperature trend for the period of record (1895 to present) is -0.1 degrees Fahrenheit per decade.
1.03 inches of precipitation fell in November. This was 0.32 inches more than the 1895- 2001 average, the 93rd wettest such month on record. The precipitation trend for the period of record (1895 to present) is 0.01 inches per decade.
Cheyenne
The average temperature in November was 38.9°F. This is 3.7°F warmer than average and represents the 17th warmest November on record (since 1895). The maximum temperature for the month was 70°F on the 5th and the minimum of 0°F occurred on the 28th.
No record temperatures occurred during the month. Precipitation total of 0.23 inch is 57 percent below normal and is the 23rd driest in 107 years of record keeping. Snowfall totaled 4.3 inches which is 40 percent below the long-term average.
past 30-days precipitation
past 30-days temperature
Laramie
The average temperature in November was 31.0°F. This is 1.5°F warmer than average. The maximum for the month was 67°F on the 4th and the minimum of -15°F occurred on the 28th (the coldest temperature in the lower-48 for that day and a record minimum for the date).
Additionally, despite an above normal monthly temperature, Laramie still recorded the coldest temperatures in the lower-48 on the following days: Nov 9, 5°F, Nov 10, 6°F, and Nov 19, 0°F.
Precipitation total of 0.42 inch is 34 percent below normal. Snowfall total was 4.4 inches and is 35 percent below the long-term average.
Rock Springs
The average temperature in November was 32.8°F. This is 2.4°F warmer than average. The maximum temperature for the month was 62°F on the 4th and the minimum of 1°F occurred on the 28th. No record temperatures occurred during the month.
Precipitation total of 0.35 inch is 40 percent below normal. Snowfall total was 1.4 inches and is 75 percent below the long-term average.
Lander
The average temperature in November was 35.5°F. This is 4.3°F warmer than average. The maximum temperature for the month was 67°F on the 5th and the minimum of 1°F occurred on the 28th. No record temperatures occurred during the month.
Precipitation total of 0.45 inch is 44 percent below normal. Snowfall totaled 9.3 inches and is 34 percent below the long-term average.
past 30-days precipitation past 30-days temperature
Sheridan
The average temperature in November was 36.5°F. This is 4.0°F warmer than average. The maximum temperature for the month was 73°F on the 5th and the minimum of 0°F occurred on the 28th. No record temperatures occurred during the month.
Precipitation total of 0.33 inch is 60 percent below normal. Snowfall totaled 4.0 inches and is 53 percent below the long-term average.
past 30-days precipitation
past 30-days temperature
Casper
The average temperature in November was 38.5°F. This is 5.4°F warmer than average and represents the 7th warmest November since 1948. The maximum temperature for the month was 70°F on the 5th and the minimum of 1°F occurred on the 27th. No record temperatures occurred during the month.
Precipitation total of 0.76 inch is just 1 percent below normal. Snowfall totaled of 8.7 inches and is 18 percent below the long-term average.
past 30-days precipitation
past 30-days temperature
Gillette
The average temperature in November was 38.6°F. This is 6.2°F warmer than average and represents the 6th warmest November since 1948. The maximum temperature for the month was 73°F on the 4th and the minimum of 2°F occurred on the 27th and 28th. No record temperatures occurred during the month.
Precipitation total of 0.25 inch is 66 percent below normal.
Additional Stations:
Big Piney
Buffalo
Douglas
Evanston
Greybull
Rawlins
Riverton
Torrington
Worland
To Wyoming Monthly Summaries Index Listing
This information was compiled by the Wyoming State Climatologist, University of Wyoming. For more information, contact Jan Curtis at (307) 766-6659. For periodic updates, visit http://www.wrds.uwyo.edu This site includes a searchable database for Wyoming climate and water.
The Wyoming State Climatologist Office is funded by the Wyoming Water Development Commission
WEBMASTER: stateclim@wrds.uwyo.edu
Last reviewed or update: December 3, 2001
