Viewing Station: IL-KD-24 : Oswego 5.0 SSE
Apr 16, 2008 - Sep 21, 20266,640 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 7.67"
September 1-22, 2026(21 of 22 days covered by obs)
NOAA Normal
2.33"
Departure from Normal
5.34" : 329% of Normal
Year-To-Date: 40.92"
Jan 1 to Sep 22, 2026(264 of 265 days covered by obs)
NOAA Normal
29.01"
Departure from Normal
11.91" : 141% of Normal
Water Year-To-Date: 47.63"
Oct 1, 2025 to Sep 22, 2026(356 of 357 days covered by obs)
NOAA Normal
36.96"
Departure from Normal
10.67" : 129% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.95
1.98
-0.03
Feb
1.71
1.84
-0.13
Mar
2.24
2.31
-0.07
Apr
3.80
3.82
-0.02
May
4.58
4.54
0.04
Jun
4.42
4.38
0.04
Jul
3.94
4.01
-0.07
Aug
4.04
3.78
0.26
Sep
3.18
3.26
-0.08
Oct
3.34
3.30
0.04
Nov
2.54
2.51
0.03
Dec
2.07
2.11
-0.04
37.81
37.84
-0.03