Viewing Station: WY-LM-222 : Cheyenne 6.0 S
Jul 6, 2020 - Sep 10, 20262,021 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.05"
September 1-10, 2026(10 of 10 days covered by obs)
NOAA Normal
0.48"
Departure from Normal
-0.43" : 10% of Normal
Year-To-Date: 6.58"
Jan 1 to Sep 10, 2026(244 of 253 days covered by obs)
NOAA Normal
12.05"
Departure from Normal
-5.47" : 55% of Normal
Water Year-To-Date: 7.15"
Oct 1, 2025 to Sep 10, 2026(334 of 345 days covered by obs)
NOAA Normal
14.13"
Departure from Normal
-6.98" : 51% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.35
0.27
0.08
Feb
0.47
0.45
0.02
Mar
0.90
0.87
0.03
Apr
1.68
1.61
0.07
May
2.48
2.56
-0.08
Jun
2.13
2.27
-0.14
Jul
2.08
1.98
0.10
Aug
1.48
1.68
-0.20
Sep
1.43
1.60
-0.17
Oct
1.08
1.00
0.08
Nov
0.59
0.55
0.04
Dec
0.41
0.44
-0.03
15.08
15.28
-0.20