Viewing Station: IL-WN-41 : South Beloit 1.5 ESE
Jan 1, 2019 - Sep 15, 20252,254 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.53"
September 1-15, 2025(15 of 15 days covered by obs)
NOAA Normal
1.81"
Departure from Normal
-1.28" : 29% of Normal
Year-To-Date: 31.27"
Jan 1 to Sep 15, 2025(252 of 258 days covered by obs)
NOAA Normal
27.97"
Departure from Normal
3.30" : 112% of Normal
Water Year-To-Date: 35.33"
Oct 1, 2024 to Sep 15, 2025(344 of 350 days covered by obs)
NOAA Normal
35.00"
Departure from Normal
0.33" : 101% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.54
1.59
-0.05
Feb
1.53
1.55
-0.02
Mar
2.05
2.10
-0.05
Apr
3.58
3.61
-0.03
May
4.29
4.24
0.05
Jun
5.36
5.40
-0.04
Jul
3.69
3.59
0.10
Aug
4.12
4.07
0.05
Sep
3.63
3.76
-0.13
Oct
2.87
2.83
0.04
Nov
2.28
2.31
-0.03
Dec
1.87
1.92
-0.05
36.81
36.97
-0.16