Viewing Station: IL-CK-429 : Harwood Heights 4.0 ESE
Jun 25, 2024 - Sep 22, 2026818 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.67"
September 1-23, 2026(22 of 23 days covered by obs)
NOAA Normal
2.51"
Departure from Normal
2.16" : 186% of Normal
Year-To-Date: 37.72"
Jan 1 to Sep 23, 2026(265 of 266 days covered by obs)
NOAA Normal
28.70"
Departure from Normal
9.02" : 131% of Normal
Water Year-To-Date: 44.78"
Oct 1, 2025 to Sep 23, 2026(357 of 358 days covered by obs)
NOAA Normal
36.70"
Departure from Normal
8.08" : 122% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.98
2.16
-0.18
Feb
1.84
2.03
-0.19
Mar
2.24
2.28
-0.04
Apr
3.74
3.84
-0.10
May
4.44
4.57
-0.13
Jun
4.35
4.37
-0.02
Jul
3.74
3.73
0.01
Aug
3.86
3.92
-0.06
Sep
3.28
3.26
0.02
Oct
3.39
3.61
-0.22
Nov
2.50
2.66
-0.16
Dec
2.11
2.27
-0.16
37.47
38.70
-1.23