Viewing Station: IL-MA-40 : Decatur 6.5 WSW
Feb 14, 2026 - Sep 21, 2026252 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 1.71"
September 1-22, 2026(21 of 22 days covered by obs)
NOAA Normal
2.21"
Departure from Normal
-0.50" : 77% of Normal
Year-To-Date: 37.23"
Jan 1 to Sep 22, 2026(220 of 265 days covered by obs)
NOAA Normal
29.47"
Departure from Normal
7.76" : 126% of Normal
Water Year-To-Date: 37.23"
Oct 1, 2025 to Sep 22, 2026(220 of 357 days covered by obs)
NOAA Normal
38.09"
Departure from Normal
-0.86" : 98% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.14
2.30
-0.16
Feb
1.94
2.00
-0.06
Mar
2.70
2.70
0.00
Apr
4.12
4.12
0.00
May
4.60
4.62
-0.02
Jun
4.54
4.59
-0.05
Jul
3.95
3.69
0.26
Aug
3.27
3.23
0.04
Sep
3.01
3.11
-0.10
Oct
3.31
3.25
0.06
Nov
3.02
3.09
-0.07
Dec
2.29
2.36
-0.07
38.89
39.06
-0.17