Viewing Station: IL-CK-322 : Arlington Heights 0.8 NNW
Mar 24, 2020 - Mar 2, 20261,674 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
March 1-3, 2026(2 of 3 days covered by obs)
NOAA Normal
0.22"
Departure from Normal
-0.22" : 0% of Normal
Year-To-Date: 1.59"
Jan 1 to Mar 3, 2026(59 of 62 days covered by obs)
NOAA Normal
3.85"
Departure from Normal
-2.26" : 41% of Normal
Water Year-To-Date: 7.34"
Oct 1, 2025 to Mar 3, 2026(150 of 154 days covered by obs)
NOAA Normal
11.54"
Departure from Normal
-4.20" : 64% 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