Viewing Station: WY-LM-131 : Cheyenne 3.0 NNW
Mar 1, 2013 - Apr 18, 20263,839 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.08"
April 1-18, 2026(18 of 18 days covered by obs)
NOAA Normal
1.06"
Departure from Normal
-0.98" : 8% of Normal
Year-To-Date: 1.17"
Jan 1 to Apr 18, 2026(108 of 108 days covered by obs)
NOAA Normal
2.96"
Departure from Normal
-1.79" : 40% of Normal
Water Year-To-Date: 1.17"
Oct 1, 2025 to Apr 18, 2026(128 of 200 days covered by obs)
NOAA Normal
5.19"
Departure from Normal
-4.02" : 23% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.37
0.28
0.09
Feb
0.53
0.47
0.06
Mar
1.00
0.85
0.15
Apr
1.77
1.60
0.17
May
2.56
2.54
0.02
Jun
2.19
2.26
-0.07
Jul
1.93
1.90
0.03
Aug
1.44
1.66
-0.22
Sep
1.46
1.64
-0.18
Oct
1.09
1.01
0.08
Nov
0.62
0.57
0.05
Dec
0.52
0.47
0.05
15.48
15.25
0.23