Viewing Station: IL-MCH-87 : Marengo 0.7 NNE
Nov 26, 2017 - Nov 20, 20252,968 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.63"
November 1-20, 2025(20 of 20 days covered by obs)
NOAA Normal
1.59"
Departure from Normal
-0.96" : 40% of Normal
Year-To-Date: 23.45"
Jan 1 to Nov 20, 2025(321 of 324 days covered by obs)
NOAA Normal
34.38"
Departure from Normal
-10.93" : 68% of Normal
Water Year-To-Date: 2.03"
Oct 1, 2025 to Nov 20, 2025(50 of 51 days covered by obs)
NOAA Normal
4.55"
Departure from Normal
-2.52" : 45% 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