Viewing Station: WY-LM-287 : Cheyenne 12.4 N
May 9, 2026 - Sep 10, 2026111 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.23"
September 1-10, 2026(8 of 10 days covered by obs)
NOAA Normal
0.48"
Departure from Normal
-0.25" : 48% of Normal
Year-To-Date: 4.35"
Jan 1 to Sep 10, 2026(118 of 253 days covered by obs)
NOAA Normal
12.40"
Departure from Normal
-8.05" : 35% of Normal
Water Year-To-Date: 4.35"
Oct 1, 2025 to Sep 10, 2026(118 of 345 days covered by obs)
NOAA Normal
14.85"
Departure from Normal
-10.50" : 29% 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