Viewing Station: IL-SG-11 : Chatham 1.4 ESE
Jan 13, 2007 - Apr 2, 20265,793 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 1.18"
April 1-2, 2026(2 of 2 days covered by obs)
NOAA Normal
0.28"
Departure from Normal
0.90" : 423% of Normal
Year-To-Date: 7.95"
Jan 1 to Apr 2, 2026(92 of 92 days covered by obs)
NOAA Normal
7.18"
Departure from Normal
0.77" : 111% of Normal
Water Year-To-Date: 12.80"
Oct 1, 2025 to Apr 2, 2026(184 of 184 days covered by obs)
NOAA Normal
15.52"
Departure from Normal
-2.72" : 82% 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