Viewing Station: WY-NT-53 : Casper 4.7 SSW
Oct 11, 2013 - Sep 11, 20264,458 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
September 1-11, 2026(11 of 11 days covered by obs)
NOAA Normal
0.41"
Departure from Normal
-0.41" : 0% of Normal
Year-To-Date: 9.71"
Jan 1 to Sep 11, 2026(247 of 254 days covered by obs)
NOAA Normal
10.73"
Departure from Normal
-1.02" : 91% of Normal
Water Year-To-Date: 12.91"
Oct 1, 2025 to Sep 11, 2026(337 of 346 days covered by obs)
NOAA Normal
13.67"
Departure from Normal
-0.76" : 94% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.79
1.05
-0.26
Feb
0.74
1.35
-0.61
Mar
1.08
1.76
-0.68
Apr
1.94
2.67
-0.73
May
2.51
3.19
-0.68
Jun
1.39
1.78
-0.39
Jul
1.01
1.19
-0.18
Aug
0.86
0.97
-0.11
Sep
1.11
1.37
-0.26
Oct
1.38
2.07
-0.69
Nov
0.76
1.16
-0.40
Dec
0.80
1.32
-0.52
14.37
19.88
-5.51