Viewing Station: IL-RC-7 : Dundas 1.4 E
Jan 1, 2019 - May 27, 20262,557 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 7.00"
May 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
4.25"
Departure from Normal
2.75" : 165% of Normal
Year-To-Date: 20.99"
Jan 1 to May 27, 2026(147 of 147 days covered by obs)
NOAA Normal
18.26"
Departure from Normal
2.73" : 115% of Normal
Water Year-To-Date: 28.04"
Oct 1, 2025 to May 27, 2026(238 of 239 days covered by obs)
NOAA Normal
28.74"
Departure from Normal
-0.70" : 98% 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