Viewing Station: IL-WL-20 : Manhattan 4.7 ENE
May 16, 2007 - May 27, 20266,708 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.57"
May 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
3.97"
Departure from Normal
-2.40" : 40% of Normal
Year-To-Date: 13.63"
Jan 1 to May 27, 2026(116 of 147 days covered by obs)
NOAA Normal
14.24"
Departure from Normal
-0.61" : 96% of Normal
Water Year-To-Date: 13.63"
Oct 1, 2025 to May 27, 2026(116 of 239 days covered by obs)
NOAA Normal
22.48"
Departure from Normal
-8.85" : 61% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.16
2.15
0.01
Feb
1.89
1.95
-0.06
Mar
2.41
2.32
0.09
Apr
3.81
3.75
0.06
May
4.56
4.54
0.02
Jun
4.56
4.48
0.08
Jul
4.28
4.42
-0.14
Aug
4.05
3.95
0.10
Sep
3.41
3.38
0.03
Oct
3.39
3.34
0.05
Nov
2.65
2.63
0.02
Dec
2.20
2.16
0.04
39.37
39.07
0.30