Viewing Station: IL-WN-48 : Rockford 3.8 NNW
Jun 13, 2020 - Sep 22, 20262,281 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 6.52"
September 1-22, 2026(22 of 22 days covered by obs)
NOAA Normal
2.60"
Departure from Normal
3.92" : 250% of Normal
Year-To-Date: 36.15"
Jan 1 to Sep 22, 2026(265 of 265 days covered by obs)
NOAA Normal
28.76"
Departure from Normal
7.39" : 126% of Normal
Water Year-To-Date: 41.71"
Oct 1, 2025 to Sep 22, 2026(357 of 357 days covered by obs)
NOAA Normal
35.77"
Departure from Normal
5.94" : 117% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.57
1.60
-0.03
Feb
1.58
1.64
-0.06
Mar
2.17
2.15
0.02
Apr
3.68
3.61
0.07
May
4.25
4.27
-0.02
Jun
5.25
5.37
-0.12
Jul
3.74
3.66
0.08
Aug
3.92
4.05
-0.13
Sep
3.55
3.58
-0.03
Oct
2.82
2.81
0.01
Nov
2.29
2.29
0.00
Dec
1.90
1.99
-0.09
36.72
37.02
-0.30