Viewing Station: IL-MCL-30 : Saybrook 4.3 SSE
May 30, 2013 - Nov 21, 20253,405 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.56"
November 1-21, 2025(21 of 21 days covered by obs)
NOAA Normal
2.10"
Departure from Normal
-1.54" : 27% of Normal
Year-To-Date: 21.06"
Jan 1 to Nov 21, 2025(282 of 325 days covered by obs)
NOAA Normal
35.84"
Departure from Normal
-14.78" : 59% of Normal
Water Year-To-Date: 1.99"
Oct 1, 2025 to Nov 21, 2025(52 of 52 days covered by obs)
NOAA Normal
5.32"
Departure from Normal
-3.33" : 37% 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