Viewing Station: IL-MCH-66 : Harvard 2.8 SSE
Oct 18, 2012 - Apr 9, 20261,660 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.43"
April 1-9, 2026(5 of 9 days covered by obs)
NOAA Normal
1.13"
Departure from Normal
3.30" : 393% of Normal
Year-To-Date: 8.04"
Jan 1 to Apr 9, 2026(16 of 99 days covered by obs)
NOAA Normal
6.66"
Departure from Normal
1.38" : 121% of Normal
Water Year-To-Date: 12.24"
Oct 1, 2025 to Apr 9, 2026(34 of 191 days covered by obs)
NOAA Normal
13.99"
Departure from Normal
-1.75" : 88% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.73
1.68
0.05
Feb
1.61
1.72
-0.11
Mar
2.19
2.26
-0.07
Apr
3.76
3.67
0.09
May
4.43
4.37
0.06
Jun
4.90
4.93
-0.03
Jul
3.88
3.82
0.06
Aug
3.99
3.92
0.07
Sep
3.44
3.62
-0.18
Oct
2.96
2.88
0.08
Nov
2.39
2.37
0.02
Dec
1.98
1.97
0.01
37.26
37.21
0.05