Preliminary
Wyoming Monthly Climatology
March 2003
Statewide Summary
Temperatures for the month of March were quite varied across Wyoming. Average temperatures ranged from >6 degrees above normal in Sublette and Lincoln counties to <4 degrees below normal in Sheridan county. Precipitation for the month of March also showed large variation across the state. The heaviest moisture amounts fell in portions of extreme eastern and NW mountains (>200 percent), the least over Carbon and Fremont counties (<25 percent). Since 1895, Wyoming had the 16th wettest March on record. Contribution from a couple of intense snowstorms helped lessen the impact from the four year statewide drought. For more details about these precipitation events, see: 7 March,
17-18 March snowstorm, and 27 March snowstorm.
Cheyenne
The average temperature in March was 37.6°F. This is 3.4°F warmer than normal. The maximum for the month was 70 °F on the 14th (record for the day) and the minimum of 6°F occurred on the 4th. Record high temperatures also occurred on the 13th (68°F, and tied on the 15th (65°F). Precipitation total of 0.71 inch is 68 percent of normal. Snowfall totaled 18.3 inches which is 161 percent of the long term average. It should be noted that accurate snowfall (precipitation) totals during blizzards, such as on March 18, may be under representative of the actual amount received.
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Laramie
The average temperature in March was 30.1°F. This is 0.1°F warmer than normal. The maximum for the month was 62°F on the 13th and 14th (records for the day) and the minimum for the month was -5°F that occurred on the 2nd. Another record high of 58°F was tied on the 15th. Precipitation total of 0.95 inch is 120 percent of normal. Snowfall totaled 15.7 inches which is 176 percent of the long term average. A few cooperative observers in and around Laramie recorded between 2.5 and 3.2 inches of water-equivalent precipitation in March.
Rawlins
The average temperature in March was 34.0°F. This is 0.2°F warmer than normal. The maximum temperature for the month was 62°F on the 14th (record for the day) and the minimum temperature for the month of 6°F occurred on the 28th. Another record high of 61°F was set on the 13th. Precipitation total of 0.75 inch is 115 percent of normal. Snowfall totaled 20.2 inches which is 259 percent of the long term average.
Rock Springs
The average temperature in March was 34.9°F. This is 3.3°F warmer than normal. The maximum temperature for the month was 64°F on the 31st and the minimum of 10°F occurred on the 2nd. Record high temperatures occurred on the 13th (63°F) and 14th (61°F). Precipitation total of 0.40 inch is 51 percent of normal. Snowfall totaled 4.0 inches which is 56 percent of the long term average.
Evanston
The average temperature in March was 31.2°F. This is 0.6°F warmer than normal. The maximum temperature for the month was 60°F on the 31st and the minimum of 8°F occurred on the 5th. Precipitation total of 0.73 inch is 82 percent of normal. Snowfall totaled 10.4 inches which is 109 percent of the long term average.
Big Piney
The average temperature in March was 29.7°F. This is 3.7°F warmer than normal. The maximum temperature for the month was 59°F on the 31st and the minimum of -6°F occurred on the 2nd. Precipitation total of 0.46 inch is 79 percent of normal. Snowfall totaled 9.2 inches which is 209 percent of the long term average.
Lander
The average temperature in March was 36.5°F. This is 1.0°F warmer than normal. The maximum temperature for the month was 66°F on the 31st and the minimum for the month of 4°F occurred on the 5th. A record high was tied at 64°F on the 13th. Precipitation total of 0.95 inch is 77 percent of normal. Snowfall totaled 20.1 inches which is 113 percent of the long term average.
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Riverton
The average temperature in March was 35.8°F. This is 0.9°F warmer than normal. The maximum temperature for the month was 65°F on the 31st and the minimum for the month of 3°F occurred on the 2nd. Precipitation total of 0.74 inch is 154 percent of normal. Snowfall totaled 13.6 inches which is 257 percent of the long term average and represents the 6th greatest March total since 1918.
Worland
The average temperature in March was 35.7°F. This is 1.4°F colder than normal. The maximum temperature for the month was 71°F on the 14th and the minimum of -4°F occurred on the 5th. Precipitation total of 1.05 inches is 277 percent of normal represents the 4th wettest March since 1915. Snowfall totaled 12.2 inches which is 452 percent of the long term average (3rd greatest total since 1915).
Sheridan
The average temperature in March was 32.0°F. This is 3.3°F colder than normal. The maximum temperature for the month was 69°F on the 31st and the minimum for the month of -3°F occurred on the 5th. Precipitation total of 1.35 inches is 135 percent of normal. Snowfall totaled 17.9 inches which is 141 percent of the long term average.
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Casper
The average temperature in March was 35.4°F and is 0.4°F warmer than normal. The maximum temperature for the month was 71°F on the 14th (record for the day) and the minimum for the month of 5°F occurred on the 5th. Another record high of 69°F occurred on the 13th. Precipitation total of 0.97 inch is 108 percent of normal. Snowfall totaled 19.4 inches which is 148 percent of the long term average and represents the 10th snowiest March on record since 1937.
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Torrington
The average temperature in March was 38.1°F. This is 0.6°F warmer than normal. The maximum temperature for the month was 79°F on the 14th (record for the day) and the minimum for the month of 1°F occurred on the 5th. Precipitation total of 1.93 inches is 276 percent of normal and represents the 2nd wettest March on record since 1922. Snowfall totaled 14.9 inches which is 261 percent of the long term average andrepresents the 3rd snowiest March on record since 1922.
Additional Stations:
Buffalo
Douglas
Gillette
Greybull
Yellowstone
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. For additional daily and hourly climatology, click on this interactive map by selecting a city. Then click on the "Monthly History" link on the left menu. Record daily temperatures are based on the period since 1948-9 for all cities unless otherwise noted.
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