Viewing Station: WY-NT-4 : Casper 10.9 WSW
Jan 10, 2002 - Jul 13, 20256,085 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
September 1-18, 2025(0 of 18 days covered by obs)
NOAA Normal
0.56"
Departure from Normal
-0.56" : 0% of Normal
Year-To-Date: 0.00"
Jan 1 to Sep 18, 2025(2 of 261 days covered by obs)
NOAA Normal
8.48"
Departure from Normal
-8.48" : 0% of Normal
Water Year-To-Date: 0.00"
Oct 1, 2024 to Sep 18, 2025(3 of 353 days covered by obs)
NOAA Normal
10.51"
Departure from Normal
-10.51" : 0% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.46
0.68
-0.22
Feb
0.45
1.05
-0.60
Mar
0.69
1.34
-0.65
Apr
1.34
2.08
-0.74
May
2.05
2.76
-0.71
Jun
1.24
1.40
-0.16
Jul
0.94
1.08
-0.14
Aug
0.75
1.02
-0.27
Sep
0.93
0.93
0.00
Oct
1.05
1.55
-0.50
Nov
0.51
0.79
-0.28
Dec
0.47
0.93
-0.46
10.88
15.61
-4.73