Viewing Station: WY-LM-127 : Cheyenne 7.4 N
Jul 6, 2012 - Sep 20, 2026911 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.45"
September 1-20, 2026(5 of 20 days covered by obs)
NOAA Normal
0.95"
Departure from Normal
-0.50" : 47% of Normal
Year-To-Date: 6.10"
Jan 1 to Sep 20, 2026(38 of 263 days covered by obs)
NOAA Normal
12.79"
Departure from Normal
-6.69" : 48% of Normal
Water Year-To-Date: 6.56"
Oct 1, 2025 to Sep 20, 2026(42 of 355 days covered by obs)
NOAA Normal
15.18"
Departure from Normal
-8.62" : 43% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.41
0.27
0.14
Feb
0.57
0.45
0.12
Mar
1.05
0.76
0.29
Apr
1.87
1.54
0.33
May
2.57
2.56
0.01
Jun
2.18
2.28
-0.10
Jul
1.81
1.86
-0.05
Aug
1.38
1.69
-0.31
Sep
1.43
1.63
-0.20
Oct
1.14
0.99
0.15
Nov
0.66
0.52
0.14
Dec
0.59
0.46
0.13
15.66
15.01
0.65