Viewing Station: IL-DK-9 : De Kalb 3.2 WNW
May 14, 2008 - May 27, 20263,349 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.98"
May 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
3.97"
Departure from Normal
-1.99" : 50% of Normal
Year-To-Date: 14.75"
Jan 1 to May 27, 2026(143 of 147 days covered by obs)
NOAA Normal
13.21"
Departure from Normal
1.54" : 112% of Normal
Water Year-To-Date: 20.10"
Oct 1, 2025 to May 27, 2026(234 of 239 days covered by obs)
NOAA Normal
20.64"
Departure from Normal
-0.54" : 97% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.73
1.68
0.05
Feb
1.69
1.71
-0.02
Mar
2.24
2.24
0.00
Apr
3.58
3.48
0.10
May
4.56
4.74
-0.18
Jun
4.86
4.66
0.20
Jul
3.93
3.76
0.17
Aug
3.94
3.90
0.04
Sep
3.44
3.36
0.08
Oct
3.01
2.96
0.05
Nov
2.42
2.30
0.12
Dec
2.00
1.98
0.02
37.40
36.77
0.63