Viewing Station: IL-LE-22 : Amboy 0.5 SSW
Jun 27, 2017 - Sep 22, 20262,967 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 7.84"
September 1-22, 2026(22 of 22 days covered by obs)
NOAA Normal
2.53"
Departure from Normal
5.31" : 310% of Normal
Year-To-Date: 38.33"
Jan 1 to Sep 22, 2026(264 of 265 days covered by obs)
NOAA Normal
29.81"
Departure from Normal
8.52" : 129% of Normal
Water Year-To-Date: 44.19"
Oct 1, 2025 to Sep 22, 2026(356 of 357 days covered by obs)
NOAA Normal
37.04"
Departure from Normal
7.15" : 119% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.68
1.73
-0.05
Feb
1.75
1.73
0.02
Mar
2.43
2.34
0.09
Apr
3.54
3.52
0.02
May
4.71
4.64
0.07
Jun
5.14
4.97
0.17
Jul
4.06
4.11
-0.05
Aug
3.97
3.85
0.12
Sep
3.45
3.36
0.09
Oct
2.85
2.81
0.04
Nov
2.37
2.32
0.05
Dec
2.01
2.04
-0.03
37.96
37.42
0.54