Viewing Station: IL-DP-34 : West Chicago 2.7 N
Apr 10, 2007 - Mar 28, 20163,054 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
June 1-9, 2026(0 of 9 days covered by obs)
NOAA Normal
1.32"
Departure from Normal
-1.32" : 0% of Normal
Year-To-Date: 0.00"
Jan 1 to Jun 9, 2026(0 of 160 days covered by obs)
NOAA Normal
15.53"
Departure from Normal
-15.53" : 0% of Normal
Water Year-To-Date: 0.00"
Oct 1, 2025 to Jun 9, 2026(0 of 252 days covered by obs)
NOAA Normal
23.35"
Departure from Normal
-23.35" : 0% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.73
1.94
-0.21
Feb
1.74
1.86
-0.12
Mar
2.27
2.28
-0.01
Apr
3.75
3.76
-0.01
May
4.72
4.75
-0.03
Jun
4.40
4.29
0.11
Jul
3.74
3.69
0.05
Aug
3.92
3.92
0.00
Sep
3.34
3.32
0.02
Oct
3.33
3.36
-0.03
Nov
2.48
2.54
-0.06
Dec
2.01
2.12
-0.11
37.43
37.83
-0.40