Viewing Station: IL-CK-405 : Palatine 2.6 WNW
Aug 30, 2023 - May 27, 2026821 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.98"
May 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
3.92"
Departure from Normal
-2.94" : 25% of Normal
Year-To-Date: 15.43"
Jan 1 to May 27, 2026(147 of 147 days covered by obs)
NOAA Normal
13.63"
Departure from Normal
1.80" : 113% of Normal
Water Year-To-Date: 21.19"
Oct 1, 2025 to May 27, 2026(239 of 239 days covered by obs)
NOAA Normal
21.43"
Departure from Normal
-0.24" : 99% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.85
1.94
-0.09
Feb
1.77
1.89
-0.12
Mar
2.28
2.24
0.04
Apr
3.81
3.71
0.10
May
4.50
4.71
-0.21
Jun
4.63
4.41
0.22
Jul
3.93
3.70
0.23
Aug
3.93
4.05
-0.12
Sep
3.45
3.38
0.07
Oct
3.26
3.25
0.01
Nov
2.45
2.38
0.07
Dec
2.09
2.10
-0.01
37.95
37.76
0.19