WEBMASTER: stateclim@wrds.uwyo.edu
Last reviewed or update: October 3, 2002
0.92 inch of precipitation fell in September. This was a -0.20 inch departure from the 1895-2002 average, and the 45th driest month on record. The precipitation trend for the period of record (1895 to present) is 0.00 inches per decade.
September temperatures generally ranged from 3°F above normal at Big Piney to 1°F below normal at Rawlins. Precipitation ranged from 131 percent of normal in Torrington to 32 percent of normal in Lander. The statewide drought continues unchanged from last month.
Since the start of 2002, the following precipitation departure from normal (by percent) is provided:
39.5 Evanston
44.1 Rock Springs
47.2 Deaver
50.6 Laramie
51.0 Torrington
54.7 Lander
55.9 Saratoga
57.1 Douglas
57.5 Jackson
58.2 Cody
59.7 Archer
59.7 Casper
62.9 Chugwater
64.7 Cheyenne
65.3 Greybull
67.3 Big Piney
67.5 Riverton
68.8 Rawlins
68.8 Gillette 9ESE
74.9 Wheatland 4N
77.8 Sundance
81.6 Worland
83.0 Afton
87.9 Sheridan
93.9 Redbird
95.1 Kaycee
102.3 Newcastle
Cheyenne
The average temperature in September was 59.1°F. This is 2.5°F warmer than normal. The maximum for the month was 88 °F on the 6th and the minimum of 36°F occurred on the 22nd. Precipitation total of 1.73 inches is 121 percent of normal.
The average temperature in September was 54.9°F. This is 2.0°F warmer than normal. The maximum for the month was 84°F on the 3rd and the minimum of 27°F occurred on the 23rd. Precipitation total of 0.58 inch is 59 percent of normal.
The average temperature in September was 56.1°F. This is 0.8°F cooler than normal. The maximum temperature for the month was 87°F on the 3rd and the minimum of 23°F occurred on the 22nd. Precipitation total of 0.29 inch is 35 percent of normal.
The average temperature in September was 57.1°F. This is 2.2°F warmer than normal. The maximum temperature for the month was 85°F on the 4th and the minimum of 29°F occurred on the 22nd. Precipitation total of 0.88 inch is 101 percent of normal.
The average temperature in September was 55.2°F. This is 2.3°F warmer than normal. The maximum temperature for the month was 82°F on the 4th and the minimum of 31°F occurred on the 22nd. Precipitation total of 1.06 inches is 83 percent of normal.
The average temperature in September was 51.6°F. This is 3.1°F warmer than normal. The maximum temperature for the month was 82°F on the 4th and the minimum of 19°F occurred on the 22nd. Precipitation total of 0.77 inch is 94 percent of normal.
The average temperature in September was 60.0°F. This is 1.3°F warmer than normal. The maximum temperature for the month was 91°F on the 3rd and 4th and the minimum of 31°F occurred on the 22nd. Precipitation total of 0.37 inch is 32 percent of normal.
The average temperature in September was 59.2°F. This is 2.2°F warmer than normal. The maximum temperature for the month were 91°F on the 4th and the minimum of 29°F occurred on the 22nd. Precipitation total of 0.51 inch is 58 percent of normal.
The average temperature in September was 60.1°F. This is 0.3°F cooler than normal. The maximum temperature for the month was 93°F on the 3rd, and the minimum of 32°F occurred on the 22nd. Precipitation total of 0.27 inch is 36 percent of normal.
The average temperature in September was 58.1°F. This is 1.0°F warmer than normal. The maximum temperature for the month was 96°F on the 3rd and the minimum of 27°F occurred on the 22nd. Precipitation total of 1.58 inches is 114 percent of normal.
The average temperature in September was 58.7°F and is 1.1°F warmer than normal. The maximum temperature for the month was 92°F on the 3rd and 5th and the minimum of 29°F occurred on the 21st and 22nd. Precipitation total of 1.05 inches is 106 percent of normal.
The average temperature in September was 62.0°F and is 2.2°F warmer than normal. The maximum temperature for the month was 98°F on the 6th (record for the day) and the minimum of 28°F occurred on the 22nd. Precipitation total of 1.67 inches is 131 percent of normal.
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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The Wyoming State Climatologist Office is funded by the Wyoming Water Development Commission
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