Viewing Station: IL-CK-294 : Palatine 1.4 NNE
Apr 3, 2017 - Sep 23, 20263,409 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.91"
September 1-23, 2026(23 of 23 days covered by obs)
NOAA Normal
2.60"
Departure from Normal
1.31" : 150% of Normal
Year-To-Date: 32.81"
Jan 1 to Sep 23, 2026(266 of 266 days covered by obs)
NOAA Normal
29.04"
Departure from Normal
3.77" : 113% of Normal
Water Year-To-Date: 38.63"
Oct 1, 2025 to Sep 23, 2026(358 of 358 days covered by obs)
NOAA Normal
36.78"
Departure from Normal
1.85" : 105% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.87
1.94
-0.07
Feb
1.76
1.90
-0.14
Mar
2.24
2.24
0.00
Apr
3.77
3.69
0.08
May
4.42
4.56
-0.14
Jun
4.61
4.31
0.30
Jul
3.89
3.65
0.24
Aug
3.88
3.94
-0.06
Sep
3.39
3.30
0.09
Oct
3.23
3.23
0.00
Nov
2.44
2.34
0.10
Dec
2.07
2.08
-0.01
37.57
37.18
0.39