Viewing Station: IL-CK-346 : Palatine 1.2 NW
Nov 13, 2020 - Sep 21, 20262,006 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.25"
September 1-22, 2026(21 of 22 days covered by obs)
NOAA Normal
2.52"
Departure from Normal
1.73" : 168% of Normal
Year-To-Date: 33.53"
Jan 1 to Sep 22, 2026(264 of 265 days covered by obs)
NOAA Normal
29.09"
Departure from Normal
4.44" : 115% of Normal
Water Year-To-Date: 40.77"
Oct 1, 2025 to Sep 22, 2026(355 of 357 days covered by obs)
NOAA Normal
36.85"
Departure from Normal
3.92" : 111% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.86
1.95
-0.09
Feb
1.77
1.90
-0.13
Mar
2.26
2.23
0.03
Apr
3.78
3.70
0.08
May
4.47
4.65
-0.18
Jun
4.62
4.36
0.26
Jul
3.89
3.68
0.21
Aug
3.92
4.01
-0.09
Sep
3.44
3.34
0.10
Oct
3.23
3.24
-0.01
Nov
2.45
2.36
0.09
Dec
2.08
2.10
-0.02
37.77
37.52
0.25