Viewing Station: IL-MCH-87 : Marengo 0.7 NNE
Nov 26, 2017 - Apr 9, 20263,112 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.09"
April 1-9, 2026(9 of 9 days covered by obs)
NOAA Normal
1.12"
Departure from Normal
2.97" : 366% of Normal
Year-To-Date: 7.96"
Jan 1 to Apr 9, 2026(99 of 99 days covered by obs)
NOAA Normal
6.59"
Departure from Normal
1.37" : 121% of Normal
Water Year-To-Date: 13.20"
Oct 1, 2025 to Apr 9, 2026(190 of 191 days covered by obs)
NOAA Normal
13.86"
Departure from Normal
-0.66" : 95% 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