Viewing Station: IL-CK-390 : Alsip 0.9 E
Mar 17, 2023 - Aug 25, 20261,158 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.37"
August 1-25, 2026(25 of 25 days covered by obs)
NOAA Normal
3.24"
Departure from Normal
2.13" : 166% of Normal
Year-To-Date: 34.01"
Jan 1 to Aug 25, 2026(235 of 237 days covered by obs)
NOAA Normal
25.95"
Departure from Normal
8.06" : 131% of Normal
Water Year-To-Date: 40.78"
Oct 1, 2025 to Aug 25, 2026(326 of 329 days covered by obs)
NOAA Normal
34.16"
Departure from Normal
6.62" : 119% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.11
2.19
-0.08
Feb
1.85
2.00
-0.15
Mar
2.37
2.38
-0.01
Apr
3.82
3.84
-0.02
May
4.43
4.50
-0.07
Jun
4.33
4.28
0.05
Jul
3.80
4.06
-0.26
Aug
4.02
4.04
-0.02
Sep
3.30
3.28
0.02
Oct
3.47
3.47
0.00
Nov
2.61
2.64
-0.03
Dec
2.13
2.26
-0.13
38.24
38.94
-0.70