Viewing Station: IL-CK-322 : Arlington Heights 0.8 NNW
Mar 24, 2020 - Aug 2, 20261,770 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 1.40"
August 1-2, 2026(2 of 2 days covered by obs)
NOAA Normal
0.25"
Departure from Normal
1.15" : 561% of Normal
Year-To-Date: 25.86"
Jan 1 to Aug 2, 2026(207 of 214 days covered by obs)
NOAA Normal
22.76"
Departure from Normal
3.10" : 114% of Normal
Water Year-To-Date: 31.61"
Oct 1, 2025 to Aug 2, 2026(298 of 306 days covered by obs)
NOAA Normal
30.45"
Departure from Normal
1.16" : 104% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.87
1.96
-0.09
Feb
1.76
1.90
-0.14
Mar
2.25
2.23
0.02
Apr
3.76
3.69
0.07
May
4.41
4.52
-0.11
Jun
4.59
4.26
0.33
Jul
3.87
3.60
0.27
Aug
3.87
3.92
-0.05
Sep
3.33
3.25
0.08
Oct
3.21
3.23
-0.02
Nov
2.41
2.35
0.06
Dec
2.07
2.09
-0.02
37.40
37.00
0.40