Viewing Station: WY-LM-287 : Cheyenne 12.4 N
May 9, 2026 - May 23, 202615 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.96"
May 1-23, 2026(15 of 23 days covered by obs)
NOAA Normal
1.93"
Departure from Normal
-0.97" : 50% of Normal
Year-To-Date: 0.96"
Jan 1 to May 23, 2026(15 of 143 days covered by obs)
NOAA Normal
5.92"
Departure from Normal
-4.96" : 16% of Normal
Water Year-To-Date: 0.96"
Oct 1, 2025 to May 23, 2026(15 of 235 days covered by obs)
NOAA Normal
8.37"
Departure from Normal
-7.41" : 11% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.42
0.25
0.17
Feb
0.59
0.45
0.14
Mar
1.06
0.74
0.32
Apr
1.92
1.51
0.41
May
2.60
2.59
0.01
Jun
2.16
2.16
0.00
Jul
1.78
1.79
-0.01
Aug
1.39
1.74
-0.35
Sep
1.43
1.71
-0.28
Oct
1.16
0.97
0.19
Nov
0.68
0.53
0.15
Dec
0.61
0.46
0.15
15.80
14.90
0.90