Viewing Station: WY-LM-7 : Cheyenne 1.0 NNW
May 18, 2004 - Apr 18, 20262,281 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.13"
April 1-18, 2026(18 of 18 days covered by obs)
NOAA Normal
1.03"
Departure from Normal
-0.90" : 13% of Normal
Year-To-Date: 1.80"
Jan 1 to Apr 18, 2026(85 of 108 days covered by obs)
NOAA Normal
2.83"
Departure from Normal
-1.03" : 64% of Normal
Water Year-To-Date: 2.50"
Oct 1, 2025 to Apr 18, 2026(141 of 200 days covered by obs)
NOAA Normal
4.92"
Departure from Normal
-2.42" : 51% 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
1.61
0.10
May
2.51
2.51
0.00
Jun
2.17
2.23
-0.06
Jul
2.00
1.95
0.05
Aug
1.45
1.64
-0.19
Sep
1.45
1.57
-0.12
Oct
1.05
1.02
0.03
Nov
0.58
0.57
0.01
Dec
0.46
0.46
0.00
15.18
15.20
-0.02