Viewing Station: WY-HS-18 : Thermopolis 5.6 NNE
Mar 24, 2018 - Apr 18, 20262,986 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.39"
April 1-18, 2026(17 of 18 days covered by obs)
NOAA Normal
0.91"
Departure from Normal
-0.52" : 43% of Normal
Year-To-Date: 1.47"
Jan 1 to Apr 18, 2026(103 of 108 days covered by obs)
NOAA Normal
2.58"
Departure from Normal
-1.11" : 57% of Normal
Water Year-To-Date: 4.20"
Oct 1, 2025 to Apr 18, 2026(193 of 200 days covered by obs)
NOAA Normal
4.91"
Departure from Normal
-0.71" : 86% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.33
0.36
-0.03
Feb
0.46
0.43
0.03
Mar
0.88
0.88
0.00
Apr
1.52
1.52
0.00
May
2.24
2.44
-0.20
Jun
1.30
1.35
-0.05
Jul
0.71
0.72
-0.01
Aug
0.56
0.67
-0.11
Sep
1.17
1.18
-0.01
Oct
1.28
1.31
-0.03
Nov
0.61
0.63
-0.02
Dec
0.44
0.49
-0.05
11.50
11.98
-0.48