Viewing Station: IL-BN-19 : Belvidere 5.0 NNW
Apr 6, 2020 - Sep 20, 20262,707 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 6.13"
September 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
2.30"
Departure from Normal
3.83" : 267% of Normal
Year-To-Date: 36.94"
Jan 1 to Sep 20, 2026(263 of 263 days covered by obs)
NOAA Normal
28.59"
Departure from Normal
8.35" : 129% of Normal
Water Year-To-Date: 42.52"
Oct 1, 2025 to Sep 20, 2026(355 of 355 days covered by obs)
NOAA Normal
35.63"
Departure from Normal
6.89" : 119% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.61
1.65
-0.04
Feb
1.59
1.64
-0.05
Mar
2.16
2.19
-0.03
Apr
3.70
3.62
0.08
May
4.36
4.29
0.07
Jun
5.05
5.37
-0.32
Jul
3.87
3.80
0.07
Aug
3.95
4.10
-0.15
Sep
3.45
3.62
-0.17
Oct
2.84
2.83
0.01
Nov
2.31
2.34
-0.03
Dec
1.89
2.00
-0.11
36.78
37.45
-0.67