Viewing Station: WY-LM-223 : Cheyenne 0.5 SSW
May 17, 2021 - Sep 10, 2026819 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.07"
September 1-10, 2026(8 of 10 days covered by obs)
NOAA Normal
0.48"
Departure from Normal
-0.41" : 14% of Normal
Year-To-Date: 2.08"
Jan 1 to Sep 10, 2026(26 of 253 days covered by obs)
NOAA Normal
12.12"
Departure from Normal
-10.04" : 17% of Normal
Water Year-To-Date: 2.08"
Oct 1, 2025 to Sep 10, 2026(26 of 345 days covered by obs)
NOAA Normal
14.21"
Departure from Normal
-12.13" : 15% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.35
0.29
0.06
Feb
0.50
0.47
0.03
Mar
0.95
0.88
0.07
Apr
1.71
1.62
0.09
May
2.51
2.51
0.00
Jun
2.17
2.23
-0.06
Jul
2.00
1.97
0.03
Aug
1.45
1.63
-0.18
Sep
1.45
1.53
-0.08
Oct
1.05
1.02
0.03
Nov
0.58
0.56
0.02
Dec
0.46
0.45
0.01
15.18
15.16
0.02