Viewing Station: IL-WF-16 : Congerville 0.6 WSW
Apr 11, 2013 - May 27, 20263,713 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.19"
May 1-27, 2026(26 of 27 days covered by obs)
NOAA Normal
3.97"
Departure from Normal
-0.78" : 80% of Normal
Year-To-Date: 17.69"
Jan 1 to May 27, 2026(146 of 147 days covered by obs)
NOAA Normal
14.24"
Departure from Normal
3.45" : 124% of Normal
Water Year-To-Date: 24.51"
Oct 1, 2025 to May 27, 2026(238 of 239 days covered by obs)
NOAA Normal
22.24"
Departure from Normal
2.27" : 110% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.09
2.10
-0.01
Feb
1.82
1.85
-0.03
Mar
2.56
2.53
0.03
Apr
3.80
3.72
0.08
May
4.56
4.61
-0.05
Jun
4.07
4.03
0.04
Jul
4.08
3.80
0.28
Aug
3.61
3.54
0.07
Sep
3.20
3.24
-0.04
Oct
3.16
3.12
0.04
Nov
2.71
2.69
0.02
Dec
2.13
2.09
0.04
37.79
37.32
0.47