Viewing Station: IL-MCH-66 : Harvard 2.8 SSE
Oct 18, 2012 - Jun 8, 20261,674 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.64"
June 1-9, 2026(3 of 9 days covered by obs)
NOAA Normal
1.47"
Departure from Normal
0.17" : 112% of Normal
Year-To-Date: 15.37"
Jan 1 to Jun 9, 2026(30 of 160 days covered by obs)
NOAA Normal
15.19"
Departure from Normal
0.18" : 101% of Normal
Water Year-To-Date: 19.57"
Oct 1, 2025 to Jun 9, 2026(48 of 252 days covered by obs)
NOAA Normal
22.52"
Departure from Normal
-2.95" : 87% 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