Viewing Station: IL-SG-11 : Chatham 1.4 ESE
Jan 13, 2007 - Dec 31, 20255,701 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
January 1-2, 2026(0 of 2 days covered by obs)
NOAA Normal
0.14"
Departure from Normal
-0.14" : 0% of Normal
Year-To-Date: 0.00"
Jan 1 to Jan 2, 2026(0 of 2 days covered by obs)
NOAA Normal
0.14"
Departure from Normal
-0.14" : 0% of Normal
Water Year-To-Date: 4.85"
Oct 1, 2025 to Jan 2, 2026(92 of 94 days covered by obs)
NOAA Normal
8.48"
Departure from Normal
-3.63" : 57% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.15
2.14
0.01
Feb
2.00
1.93
0.07
Mar
2.75
2.71
0.04
Apr
4.18
4.06
0.12
May
4.49
4.60
-0.11
Jun
4.38
4.41
-0.03
Jul
3.75
3.54
0.21
Aug
3.41
3.10
0.31
Sep
3.12
3.12
0.00
Oct
3.15
3.10
0.05
Nov
3.04
2.97
0.07
Dec
2.15
2.17
-0.02
38.57
37.85
0.72