Viewing Station: IL-MD-37 : Highland 1.0 E
Feb 27, 2018 - Sep 21, 20263,101 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.19"
September 1-22, 2026(21 of 22 days covered by obs)
NOAA Normal
2.40"
Departure from Normal
-1.21" : 50% of Normal
Year-To-Date: 30.73"
Jan 1 to Sep 22, 2026(264 of 265 days covered by obs)
NOAA Normal
32.01"
Departure from Normal
-1.28" : 96% of Normal
Water Year-To-Date: 38.38"
Oct 1, 2025 to Sep 22, 2026(356 of 357 days covered by obs)
NOAA Normal
41.31"
Departure from Normal
-2.93" : 93% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.72
2.69
0.03
Feb
2.24
2.35
-0.11
Mar
3.25
3.35
-0.10
Apr
4.69
4.85
-0.16
May
4.97
4.97
0.00
Jun
4.38
4.62
-0.24
Jul
4.03
4.20
-0.17
Aug
3.33
3.65
-0.32
Sep
3.27
3.28
-0.01
Oct
3.14
3.25
-0.11
Nov
3.51
3.68
-0.17
Dec
2.65
2.78
-0.13
42.18
43.67
-1.49