Viewing Station: IL-MCL-30 : Saybrook 4.3 SSE
May 30, 2013 - Oct 30, 20253,384 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.43"
October 1-31, 2025(30 of 31 days covered by obs)
NOAA Normal
3.22"
Departure from Normal
-1.79" : 44% of Normal
Year-To-Date: 20.50"
Jan 1 to Oct 31, 2025(260 of 304 days covered by obs)
NOAA Normal
33.74"
Departure from Normal
-13.24" : 61% of Normal
Water Year-To-Date: 1.43"
Oct 1, 2025 to Oct 31, 2025(30 of 31 days covered by obs)
NOAA Normal
3.22"
Departure from Normal
-1.79" : 44% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.22
2.19
0.03
Feb
1.83
1.94
-0.11
Mar
2.68
2.63
0.05
Apr
3.94
3.77
0.17
May
4.36
4.42
-0.06
Jun
4.43
4.37
0.06
Jul
4.30
4.01
0.29
Aug
3.64
3.43
0.21
Sep
3.12
3.21
-0.09
Oct
3.22
3.20
0.02
Nov
3.00
2.84
0.16
Dec
2.25
2.25
0.00
38.99
38.26
0.73