Viewing Station: IL-KN-22 : Geneva 1.0 SSW
May 1, 2018 - May 27, 20262,487 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.36"
May 1-27, 2026(26 of 27 days covered by obs)
NOAA Normal
4.14"
Departure from Normal
-2.78" : 33% of Normal
Year-To-Date: 14.09"
Jan 1 to May 27, 2026(145 of 147 days covered by obs)
NOAA Normal
13.61"
Departure from Normal
0.48" : 104% of Normal
Water Year-To-Date: 22.46"
Oct 1, 2025 to May 27, 2026(236 of 239 days covered by obs)
NOAA Normal
21.46"
Departure from Normal
1.00" : 105% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.75
1.89
-0.14
Feb
1.73
1.85
-0.12
Mar
2.23
2.28
-0.05
Apr
3.76
3.76
0.00
May
4.75
4.73
0.02
Jun
4.34
4.28
0.06
Jul
3.79
3.71
0.08
Aug
3.91
3.81
0.10
Sep
3.24
3.31
-0.07
Oct
3.33
3.36
-0.03
Nov
2.53
2.54
-0.01
Dec
1.99
2.11
-0.12
37.35
37.63
-0.28