Viewing Station: IL-MCH-87 : Marengo 0.7 NNE
Nov 26, 2017 - Jul 28, 20252,854 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 5.23"
July 1-28, 2025(27 of 28 days covered by obs)
NOAA Normal
3.59"
Departure from Normal
1.64" : 145% of Normal
Year-To-Date: 15.77"
Jan 1 to Jul 28, 2025(207 of 209 days covered by obs)
NOAA Normal
22.07"
Departure from Normal
-6.30" : 71% of Normal
Water Year-To-Date: 19.26"
Oct 1, 2024 to Jul 28, 2025(297 of 301 days covered by obs)
NOAA Normal
29.34"
Departure from Normal
-10.08" : 66% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.69
1.69
0.00
Feb
1.61
1.70
-0.09
Mar
2.17
2.27
-0.10
Apr
3.72
3.72
0.00
May
4.50
4.51
-0.01
Jun
4.79
4.91
-0.12
Jul
3.98
3.92
0.06
Aug
3.95
3.98
-0.03
Sep
3.42
3.54
-0.12
Oct
2.96
2.78
0.18
Nov
2.38
2.37
0.01
Dec
1.93
1.95
-0.02
37.10
37.34
-0.24