Viewing Station: WY-LM-103 : Cheyenne 5.0 W
Jul 1, 2009 - Sep 10, 20265,920 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.29"
September 1-10, 2026(10 of 10 days covered by obs)
NOAA Normal
0.48"
Departure from Normal
-0.19" : 60% of Normal
Year-To-Date: 8.13"
Jan 1 to Sep 10, 2026(253 of 253 days covered by obs)
NOAA Normal
11.92"
Departure from Normal
-3.79" : 68% of Normal
Water Year-To-Date: 8.92"
Oct 1, 2025 to Sep 10, 2026(345 of 345 days covered by obs)
NOAA Normal
13.99"
Departure from Normal
-5.07" : 64% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.35
0.26
0.09
Feb
0.49
0.44
0.05
Mar
0.94
0.87
0.07
Apr
1.70
1.52
0.18
May
2.47
2.50
-0.03
Jun
2.08
2.25
-0.17
Jul
1.97
1.87
0.10
Aug
1.44
1.66
-0.22
Sep
1.44
1.67
-0.23
Oct
1.04
0.99
0.05
Nov
0.58
0.56
0.02
Dec
0.45
0.44
0.01
14.95
15.03
-0.08