Viewing Station: IL-CK-12 : Bridgeview 1.3 NNW
Dec 19, 2006 - May 27, 20266,996 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.67"
May 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
3.90"
Departure from Normal
-2.23" : 43% of Normal
Year-To-Date: 16.22"
Jan 1 to May 27, 2026(147 of 147 days covered by obs)
NOAA Normal
13.86"
Departure from Normal
2.36" : 117% of Normal
Water Year-To-Date: 24.28"
Oct 1, 2025 to May 27, 2026(239 of 239 days covered by obs)
NOAA Normal
22.06"
Departure from Normal
2.22" : 110% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.01
2.21
-0.20
Feb
1.80
1.99
-0.19
Mar
2.34
2.36
-0.02
Apr
3.81
3.90
-0.09
May
4.48
4.59
-0.11
Jun
4.28
4.37
-0.09
Jul
3.69
3.89
-0.20
Aug
4.13
4.04
0.09
Sep
3.27
3.24
0.03
Oct
3.54
3.44
0.10
Nov
2.55
2.61
-0.06
Dec
2.11
2.29
-0.18
38.01
38.93
-0.92