Viewing Station: WY-NT-128 : Casper 3.0 E
May 11, 2026 - May 23, 202613 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.56"
May 1-23, 2026(13 of 23 days covered by obs)
NOAA Normal
1.74"
Departure from Normal
-0.18" : 90% of Normal
Year-To-Date: 1.56"
Jan 1 to May 23, 2026(13 of 143 days covered by obs)
NOAA Normal
5.30"
Departure from Normal
-3.74" : 29% of Normal
Water Year-To-Date: 1.56"
Oct 1, 2025 to May 23, 2026(13 of 235 days covered by obs)
NOAA Normal
7.58"
Departure from Normal
-6.02" : 21% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.58
0.57
0.01
Feb
0.51
0.79
-0.28
Mar
0.80
1.15
-0.35
Apr
1.67
1.79
-0.12
May
2.34
2.62
-0.28
Jun
1.39
1.45
-0.06
Jul
1.02
1.16
-0.14
Aug
0.88
0.84
0.04
Sep
1.05
1.09
-0.04
Oct
1.17
1.41
-0.24
Nov
0.58
0.73
-0.15
Dec
0.53
0.74
-0.21
12.52
14.34
-1.82