Viewing Station: WY-LM-273 : Cheyenne 2.2 NW
Jun 11, 2025 - Sep 10, 2026281 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.09"
September 1-10, 2026(10 of 10 days covered by obs)
NOAA Normal
0.48"
Departure from Normal
-0.39" : 19% of Normal
Year-To-Date: 8.79"
Jan 1 to Sep 10, 2026(164 of 253 days covered by obs)
NOAA Normal
12.12"
Departure from Normal
-3.33" : 73% of Normal
Water Year-To-Date: 9.38"
Oct 1, 2025 to Sep 10, 2026(221 of 345 days covered by obs)
NOAA Normal
14.21"
Departure from Normal
-4.83" : 66% 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
0.87
0.08
Apr
1.71
1.60
0.11
May
2.51
2.53
-0.02
Jun
2.17
2.24
-0.07
Jul
2.00
1.93
0.07
Aug
1.45
1.65
-0.20
Sep
1.45
1.61
-0.16
Oct
1.05
1.02
0.03
Nov
0.58
0.57
0.01
Dec
0.46
0.46
0.00
15.18
15.23
-0.05