Viewing Station: IL-CK-322 : Arlington Heights 0.8 NNW
Mar 24, 2020 - Jun 22, 20251,507 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.57"
June 1-23, 2025(19 of 23 days covered by obs)
NOAA Normal
3.52"
Departure from Normal
-1.95" : 45% of Normal
Year-To-Date: 10.49"
Jan 1 to Jun 23, 2025(164 of 174 days covered by obs)
NOAA Normal
17.57"
Departure from Normal
-7.08" : 60% of Normal
Water Year-To-Date: 16.31"
Oct 1, 2024 to Jun 23, 2025(249 of 266 days covered by obs)
NOAA Normal
25.26"
Departure from Normal
-8.95" : 65% 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