Viewing Station: WY-NT-114 : Casper 2.3 S
May 25, 2025 - Sep 20, 2026205 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.31"
September 1-20, 2026(2 of 20 days covered by obs)
NOAA Normal
0.69"
Departure from Normal
-0.38" : 45% of Normal
Year-To-Date: 3.98"
Jan 1 to Sep 20, 2026(74 of 263 days covered by obs)
NOAA Normal
9.71"
Departure from Normal
-5.73" : 41% of Normal
Water Year-To-Date: 5.51"
Oct 1, 2025 to Sep 20, 2026(85 of 355 days covered by obs)
NOAA Normal
11.95"
Departure from Normal
-6.44" : 46% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.57
0.83
-0.26
Feb
0.50
1.11
-0.61
Mar
0.78
1.44
-0.66
Apr
1.61
2.17
-0.56
May
2.30
2.97
-0.67
Jun
1.37
1.58
-0.21
Jul
1.02
1.17
-0.15
Aug
0.87
0.99
-0.12
Sep
1.03
1.24
-0.21
Oct
1.15
1.70
-0.55
Nov
0.57
0.90
-0.33
Dec
0.52
1.06
-0.54
12.29
17.16
-4.87