Viewing Station: IL-RC-7 : Dundas 1.4 E
Jan 1, 2019 - Aug 29, 20262,651 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.10"
August 1-29, 2026(29 of 29 days covered by obs)
NOAA Normal
3.05"
Departure from Normal
-1.95" : 36% of Normal
Year-To-Date: 32.74"
Jan 1 to Aug 29, 2026(241 of 241 days covered by obs)
NOAA Normal
31.28"
Departure from Normal
1.46" : 105% of Normal
Water Year-To-Date: 39.79"
Oct 1, 2025 to Aug 29, 2026(332 of 333 days covered by obs)
NOAA Normal
41.76"
Departure from Normal
-1.97" : 95% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.14
3.24
-0.10
Feb
2.48
2.54
-0.06
Mar
3.60
3.74
-0.14
Apr
4.79
4.87
-0.08
May
4.88
4.95
-0.07
Jun
4.90
4.94
-0.04
Jul
4.44
4.48
-0.04
Aug
3.26
3.09
0.17
Sep
3.31
3.33
-0.02
Oct
3.67
3.65
0.02
Nov
3.81
3.86
-0.05
Dec
3.00
3.18
-0.18
45.28
45.87
-0.59