Viewing Station: IL-SG-4 : Riverton 1.9 W
Dec 18, 2006 - May 9, 20256,268 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.84"
May 1-9, 2025(9 of 9 days covered by obs)
NOAA Normal
1.29"
Departure from Normal
0.55" : 142% of Normal
Year-To-Date: 10.58"
Jan 1 to May 9, 2025(129 of 129 days covered by obs)
NOAA Normal
12.00"
Departure from Normal
-1.42" : 88% of Normal
Water Year-To-Date: 19.96"
Oct 1, 2024 to May 9, 2025(221 of 221 days covered by obs)
NOAA Normal
20.13"
Departure from Normal
-0.17" : 99% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.10
2.14
-0.04
Feb
1.94
1.98
-0.04
Mar
2.63
2.68
-0.05
Apr
4.04
3.99
0.05
May
4.45
4.51
-0.06
Jun
4.32
4.48
-0.16
Jul
3.75
3.79
-0.04
Aug
3.40
3.22
0.18
Sep
2.97
3.10
-0.13
Oct
3.20
3.18
0.02
Nov
2.90
2.92
-0.02
Dec
2.03
2.16
-0.13
37.73
38.15
-0.42