Viewing Station: WY-LM-225 : Cheyenne 8.1 NW
Aug 16, 2022 - Sep 20, 2026400 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.53"
September 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
0.97"
Departure from Normal
-0.44" : 55% of Normal
Year-To-Date: 2.96"
Jan 1 to Sep 20, 2026(83 of 263 days covered by obs)
NOAA Normal
12.80"
Departure from Normal
-9.84" : 23% of Normal
Water Year-To-Date: 2.96"
Oct 1, 2025 to Sep 20, 2026(83 of 355 days covered by obs)
NOAA Normal
15.15"
Departure from Normal
-12.19" : 20% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.42
0.25
0.17
Feb
0.56
0.44
0.12
Mar
1.04
0.81
0.23
Apr
1.85
1.49
0.36
May
2.58
2.55
0.03
Jun
2.10
2.23
-0.13
Jul
1.84
1.84
0.00
Aug
1.44
1.69
-0.25
Sep
1.45
1.77
-0.32
Oct
1.10
0.98
0.12
Nov
0.68
0.53
0.15
Dec
0.57
0.46
0.11
15.63
15.04
0.59