Viewing Station: IL-DP-150 : Bloomingdale 1.2 ESE
Sep 3, 2017 - Sep 17, 20263,194 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.50"
September 1-17, 2026(17 of 17 days covered by obs)
NOAA Normal
1.91"
Departure from Normal
-1.41" : 26% of Normal
Year-To-Date: 34.96"
Jan 1 to Sep 17, 2026(260 of 260 days covered by obs)
NOAA Normal
28.58"
Departure from Normal
6.38" : 122% of Normal
Water Year-To-Date: 41.50"
Oct 1, 2025 to Sep 17, 2026(352 of 352 days covered by obs)
NOAA Normal
36.49"
Departure from Normal
5.01" : 114% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.86
2.03
-0.17
Feb
1.82
1.94
-0.12
Mar
2.33
2.26
0.07
Apr
3.80
3.77
0.03
May
4.70
4.71
-0.01
Jun
4.52
4.36
0.16
Jul
3.77
3.70
0.07
Aug
3.87
4.07
-0.20
Sep
3.37
3.30
0.07
Oct
3.34
3.36
-0.02
Nov
2.48
2.55
-0.07
Dec
2.09
2.17
-0.08
37.95
38.22
-0.27