Viewing Station: IL-CK-81 : Arlington Heights 1.8 NNW
Aug 16, 2007 - Jan 12, 20152,016 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
1.38"
Departure from Normal
-1.38" : 0% of Normal
Year-To-Date: 0.00"
Jan 1 to Jun 9, 2026(0 of 160 days covered by obs)
NOAA Normal
15.43"
Departure from Normal
-15.43" : 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
23.12"
Departure from Normal
-23.12" : 0% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.87
1.95
-0.08
Feb
1.76
1.90
-0.14
Mar
2.25
2.23
0.02
Apr
3.76
3.69
0.07
May
4.41
4.51
-0.10
Jun
4.59
4.26
0.33
Jul
3.87
3.60
0.27
Aug
3.87
3.91
-0.04
Sep
3.33
3.25
0.08
Oct
3.21
3.23
-0.02
Nov
2.41
2.34
0.07
Dec
2.07
2.09
-0.02
37.40
36.96
0.44