Viewing Station: IL-CK-364 : Evergreen Park 0.4 WNW
Jun 9, 2021 - May 17, 20261,500 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.69"
May 1-17, 2026(17 of 17 days covered by obs)
NOAA Normal
2.40"
Departure from Normal
-1.71" : 29% of Normal
Year-To-Date: 10.43"
Jan 1 to May 17, 2026(99 of 137 days covered by obs)
NOAA Normal
12.39"
Departure from Normal
-1.96" : 84% of Normal
Water Year-To-Date: 18.18"
Oct 1, 2025 to May 17, 2026(189 of 229 days covered by obs)
NOAA Normal
20.54"
Departure from Normal
-2.36" : 89% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.05
2.19
-0.14
Feb
1.81
2.00
-0.19
Mar
2.34
2.36
-0.02
Apr
3.79
3.84
-0.05
May
4.38
4.46
-0.08
Jun
4.24
4.31
-0.07
Jul
3.70
3.91
-0.21
Aug
4.09
4.02
0.07
Sep
3.26
3.26
0.00
Oct
3.49
3.47
0.02
Nov
2.57
2.63
-0.06
Dec
2.09
2.28
-0.19
37.81
38.73
-0.92