Viewing Station: IL-KD-127 : Oswego 1.7 WSW
May 23, 2022 - Sep 19, 20261,535 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.67"
September 1-19, 2026(19 of 19 days covered by obs)
NOAA Normal
2.02"
Departure from Normal
1.65" : 182% of Normal
Year-To-Date: 39.64"
Jan 1 to Sep 19, 2026(262 of 262 days covered by obs)
NOAA Normal
28.57"
Departure from Normal
11.07" : 139% of Normal
Water Year-To-Date: 44.46"
Oct 1, 2025 to Sep 19, 2026(354 of 354 days covered by obs)
NOAA Normal
36.45"
Departure from Normal
8.01" : 122% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.90
1.91
-0.01
Feb
1.69
1.82
-0.13
Mar
2.23
2.29
-0.06
Apr
3.77
3.78
-0.01
May
4.62
4.56
0.06
Jun
4.41
4.34
0.07
Jul
3.96
3.88
0.08
Aug
3.97
3.75
0.22
Sep
3.19
3.26
-0.07
Oct
3.32
3.31
0.01
Nov
2.51
2.49
0.02
Dec
2.05
2.08
-0.03
37.62
37.47
0.15