Viewing Station: WY-LM-198 : Cheyenne 10.2 ESE
Jul 15, 2018 - Sep 10, 20262,634 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.04"
September 1-10, 2026(10 of 10 days covered by obs)
NOAA Normal
0.47"
Departure from Normal
-0.43" : 9% of Normal
Year-To-Date: 9.30"
Jan 1 to Sep 10, 2026(237 of 253 days covered by obs)
NOAA Normal
12.23"
Departure from Normal
-2.93" : 76% of Normal
Water Year-To-Date: 9.84"
Oct 1, 2025 to Sep 10, 2026(326 of 345 days covered by obs)
NOAA Normal
14.24"
Departure from Normal
-4.40" : 69% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.32
0.28
0.04
Feb
0.43
0.42
0.01
Mar
0.88
0.82
0.06
Apr
1.61
1.61
0.00
May
2.58
2.78
-0.20
Jun
2.33
2.48
-0.15
Jul
2.08
2.11
-0.03
Aug
1.53
1.70
-0.17
Sep
1.40
1.47
-0.07
Oct
1.08
0.98
0.10
Nov
0.56
0.52
0.04
Dec
0.37
0.40
-0.03
15.17
15.57
-0.40