Viewing Station: IL-CK-306 : Oak Forest 0.6 N
Mar 29, 2018 - Mar 27, 20262,850 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.27"
March 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
2.12"
Departure from Normal
3.15" : 249% of Normal
Year-To-Date: 7.88"
Jan 1 to Mar 27, 2026(86 of 86 days covered by obs)
NOAA Normal
6.19"
Departure from Normal
1.69" : 127% of Normal
Water Year-To-Date: 15.38"
Oct 1, 2025 to Mar 27, 2026(175 of 178 days covered by obs)
NOAA Normal
14.50"
Departure from Normal
0.88" : 106% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.16
2.20
-0.04
Feb
1.91
1.99
-0.08
Mar
2.43
2.40
0.03
Apr
3.84
3.83
0.01
May
4.49
4.54
-0.05
Jun
4.40
4.35
0.05
Jul
4.10
4.21
-0.11
Aug
4.05
4.06
-0.01
Sep
3.36
3.29
0.07
Oct
3.47
3.47
0.00
Nov
2.66
2.67
-0.01
Dec
2.18
2.25
-0.07
39.05
39.26
-0.21