Viewing Station: WY-NT-53 : Casper 4.7 SSW
Oct 11, 2013 - May 9, 20264,340 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.41"
May 1-9, 2026(9 of 9 days covered by obs)
NOAA Normal
0.73"
Departure from Normal
-0.32" : 56% of Normal
Year-To-Date: 5.41"
Jan 1 to May 9, 2026(129 of 129 days covered by obs)
NOAA Normal
5.28"
Departure from Normal
0.13" : 102% of Normal
Water Year-To-Date: 8.61"
Oct 1, 2025 to May 9, 2026(219 of 221 days covered by obs)
NOAA Normal
8.22"
Departure from Normal
0.39" : 105% 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