Viewing Station: IL-CK-367 : Mount Prospect 0.2 NNE
Jul 18, 2021 - Jun 29, 20261,685 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.96"
June 1-29, 2026(29 of 29 days covered by obs)
NOAA Normal
4.44"
Departure from Normal
0.52" : 112% of Normal
Year-To-Date: 21.23"
Jan 1 to Jun 29, 2026(180 of 180 days covered by obs)
NOAA Normal
18.61"
Departure from Normal
2.62" : 114% of Normal
Water Year-To-Date: 26.52"
Oct 1, 2025 to Jun 29, 2026(269 of 272 days covered by obs)
NOAA Normal
26.32"
Departure from Normal
0.20" : 101% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.89
2.00
-0.11
Feb
1.78
1.90
-0.12
Mar
2.26
2.23
0.03
Apr
3.75
3.72
0.03
May
4.49
4.54
-0.05
Jun
4.59
4.27
0.32
Jul
3.82
3.58
0.24
Aug
3.84
3.96
-0.12
Sep
3.33
3.23
0.10
Oct
3.23
3.25
-0.02
Nov
2.40
2.41
-0.01
Dec
2.08
2.12
-0.04
37.46
37.21
0.25