Viewing Station: WY-LM-111 : Cheyenne 2.2 NNE
May 7, 2010 - Apr 18, 20262,801 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.21"
April 1-18, 2026(4 of 18 days covered by obs)
NOAA Normal
1.06"
Departure from Normal
-0.85" : 20% of Normal
Year-To-Date: 1.67"
Jan 1 to Apr 18, 2026(27 of 108 days covered by obs)
NOAA Normal
2.95"
Departure from Normal
-1.28" : 57% of Normal
Water Year-To-Date: 2.65"
Oct 1, 2025 to Apr 18, 2026(52 of 200 days covered by obs)
NOAA Normal
5.18"
Departure from Normal
-2.53" : 51% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.37
0.28
0.09
Feb
0.52
0.47
0.05
Mar
1.00
0.86
0.14
Apr
1.76
1.62
0.14
May
2.56
2.59
-0.03
Jun
2.22
2.28
-0.06
Jul
1.93
1.96
-0.03
Aug
1.44
1.66
-0.22
Sep
1.45
1.57
-0.12
Oct
1.10
1.01
0.09
Nov
0.62
0.56
0.06
Dec
0.51
0.45
0.06
15.48
15.31
0.17