Viewing Station: IL-CK-359 : Chicago 5.5 NNW
Apr 10, 2021 - May 12, 20251,368 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.77"
May 1-13, 2025(12 of 13 days covered by obs)
NOAA Normal
1.87"
Departure from Normal
-1.10" : 41% of Normal
Year-To-Date: 9.49"
Jan 1 to May 13, 2025(132 of 133 days covered by obs)
NOAA Normal
11.69"
Departure from Normal
-2.20" : 81% of Normal
Water Year-To-Date: 16.21"
Oct 1, 2024 to May 13, 2025(224 of 225 days covered by obs)
NOAA Normal
19.69"
Departure from Normal
-3.48" : 82% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.99
2.18
-0.19
Feb
1.83
2.07
-0.24
Mar
2.25
2.26
-0.01
Apr
3.75
3.79
-0.04
May
4.46
4.57
-0.11
Jun
4.28
4.43
-0.15
Jul
3.69
3.77
-0.08
Aug
3.86
3.90
-0.04
Sep
3.29
3.29
0.00
Oct
3.40
3.67
-0.27
Nov
2.50
2.65
-0.15
Dec
2.10
2.30
-0.20
37.40
38.88
-1.48