Viewing Station: WY-FM-98 : Riverton 17.8 NW
Sep 20, 2026 - Sep 20, 20261 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.02"
September 1-20, 2026(1 of 20 days covered by obs)
NOAA Normal
0.57"
Departure from Normal
0.45" : 180% of Normal
Year-To-Date: 1.02"
Jan 1 to Sep 20, 2026(1 of 263 days covered by obs)
NOAA Normal
6.82"
Departure from Normal
-5.80" : 15% of Normal
Water Year-To-Date: 1.02"
Oct 1, 2025 to Sep 20, 2026(1 of 355 days covered by obs)
NOAA Normal
8.19"
Departure from Normal
-7.17" : 12% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.23
0.24
-0.01
Feb
0.28
0.28
0.00
Mar
0.52
0.45
0.07
Apr
1.09
1.20
-0.11
May
1.90
2.17
-0.27
Jun
1.06
1.02
0.04
Jul
0.64
0.65
-0.01
Aug
0.53
0.53
0.00
Sep
0.85
0.86
-0.01
Oct
0.77
0.71
0.06
Nov
0.32
0.37
-0.05
Dec
0.28
0.27
0.01
8.47
8.75
-0.28