Viewing Station: IL-LE-22 : Amboy 0.5 SSW
Jun 27, 2017 - Sep 12, 20252,598 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.11"
September 1-13, 2025(12 of 13 days covered by obs)
NOAA Normal
1.50"
Departure from Normal
-1.39" : 7% of Normal
Year-To-Date: 26.77"
Jan 1 to Sep 13, 2025(254 of 256 days covered by obs)
NOAA Normal
28.78"
Departure from Normal
-2.01" : 93% of Normal
Water Year-To-Date: 32.60"
Oct 1, 2024 to Sep 13, 2025(346 of 348 days covered by obs)
NOAA Normal
36.01"
Departure from Normal
-3.41" : 91% 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