Viewing Station: WY-NT-28 : Casper 1.6 S
Jan 29, 2002 - May 29, 20256,151 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.96"
May 1-30, 2025(28 of 30 days covered by obs)
NOAA Normal
2.23"
Departure from Normal
0.73" : 133% of Normal
Year-To-Date: 8.32"
Jan 1 to May 30, 2025(137 of 150 days covered by obs)
NOAA Normal
5.69"
Departure from Normal
2.63" : 146% of Normal
Water Year-To-Date: 11.54"
Oct 1, 2024 to May 30, 2025(217 of 242 days covered by obs)
NOAA Normal
7.93"
Departure from Normal
3.61" : 146% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.57
0.77
-0.20
Feb
0.50
1.02
-0.52
Mar
0.78
1.40
-0.62
Apr
1.61
2.11
-0.50
May
2.30
2.93
-0.63
Jun
1.37
1.56
-0.19
Jul
1.02
1.15
-0.13
Aug
0.87
0.99
-0.12
Sep
1.03
1.19
-0.16
Oct
1.15
1.65
-0.50
Nov
0.57
0.87
-0.30
Dec
0.52
0.98
-0.46
12.29
16.62
-4.33