Viewing Station: WY-NT-126 : Casper 6.6 S
May 17, 2026 - May 23, 20265 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.86"
May 1-23, 2026(7 of 23 days covered by obs)
NOAA Normal
2.61"
Departure from Normal
-0.75" : 71% of Normal
Year-To-Date: 1.86"
Jan 1 to May 23, 2026(7 of 143 days covered by obs)
NOAA Normal
11.92"
Departure from Normal
-10.06" : 16% of Normal
Water Year-To-Date: 1.86"
Oct 1, 2025 to May 23, 2026(7 of 235 days covered by obs)
NOAA Normal
17.87"
Departure from Normal
-16.01" : 10% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.68
1.72
-0.04
Feb
1.75
1.95
-0.20
Mar
2.35
2.56
-0.21
Apr
3.53
3.66
-0.13
May
3.52
4.07
-0.55
Jun
1.67
2.12
-0.45
Jul
1.08
1.02
0.06
Aug
0.92
0.94
-0.02
Sep
1.53
1.74
-0.21
Oct
2.35
2.73
-0.38
Nov
1.70
1.87
-0.17
Dec
1.90
1.95
-0.05
23.98
26.33
-2.35