Viewing Station: WY-NT-98 : Casper 3.9 WSW
Mar 24, 2023 - Oct 20, 2025911 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.49"
October 1-21, 2025(20 of 21 days covered by obs)
NOAA Normal
0.72"
Departure from Normal
0.77" : 208% of Normal
Year-To-Date: 11.21"
Jan 1 to Oct 21, 2025(284 of 294 days covered by obs)
NOAA Normal
9.98"
Departure from Normal
1.23" : 112% of Normal
Water Year-To-Date: 1.49"
Oct 1, 2025 to Oct 21, 2025(20 of 21 days covered by obs)
NOAA Normal
0.72"
Departure from Normal
0.77" : 208% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.47
0.64
-0.17
Feb
0.46
0.93
-0.47
Mar
0.72
1.25
-0.53
Apr
1.41
2.00
-0.59
May
2.15
2.75
-0.60
Jun
1.30
1.54
-0.24
Jul
1.00
1.01
-0.01
Aug
0.79
0.96
-0.17
Sep
0.96
1.10
-0.14
Oct
1.06
1.51
-0.45
Nov
0.53
0.76
-0.23
Dec
0.48
0.84
-0.36
11.33
15.29
-3.96