Viewing Station: IL-CT-10 : Bartelso 1.7 E
Apr 16, 2023 - Sep 20, 20261,217 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.94"
September 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
2.23"
Departure from Normal
-1.29" : 42% of Normal
Year-To-Date: 30.24"
Jan 1 to Sep 20, 2026(259 of 263 days covered by obs)
NOAA Normal
32.05"
Departure from Normal
-1.81" : 94% of Normal
Water Year-To-Date: 37.44"
Oct 1, 2025 to Sep 20, 2026(351 of 355 days covered by obs)
NOAA Normal
41.63"
Departure from Normal
-4.19" : 90% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.86
2.83
0.03
Feb
2.30
2.42
-0.12
Mar
3.50
3.40
0.10
Apr
4.76
4.69
0.07
May
4.91
4.99
-0.08
Jun
4.46
4.76
-0.30
Jul
3.80
3.91
-0.11
Aug
3.23
3.28
-0.05
Sep
3.35
3.37
-0.02
Oct
3.16
3.17
-0.01
Nov
3.68
3.65
0.03
Dec
2.74
2.82
-0.08
42.75
43.29
-0.54