Viewing Station: WY-LM-93 : Cheyenne 2.3 W
Jul 26, 2008 - Sep 10, 20266,207 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.15"
September 1-10, 2026(10 of 10 days covered by obs)
NOAA Normal
0.48"
Departure from Normal
-0.33" : 31% of Normal
Year-To-Date: 9.94"
Jan 1 to Sep 10, 2026(251 of 253 days covered by obs)
NOAA Normal
12.03"
Departure from Normal
-2.09" : 83% of Normal
Water Year-To-Date: 10.88"
Oct 1, 2025 to Sep 10, 2026(343 of 345 days covered by obs)
NOAA Normal
14.11"
Departure from Normal
-3.23" : 77% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.35
0.28
0.07
Feb
0.50
0.47
0.03
Mar
0.95
0.88
0.07
Apr
1.71
1.61
0.10
May
2.48
2.50
-0.02
Jun
2.12
2.23
-0.11
Jul
1.99
1.95
0.04
Aug
1.45
1.64
-0.19
Sep
1.45
1.57
-0.12
Oct
1.04
1.02
0.02
Nov
0.58
0.57
0.01
Dec
0.46
0.45
0.01
15.08
15.17
-0.09