Viewing Station: IL-LE-27 : Amboy 0.5 SSE
Apr 21, 2024 - Sep 17, 2025507 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.09"
September 1-18, 2025(17 of 18 days covered by obs)
NOAA Normal
2.06"
Departure from Normal
-1.97" : 4% of Normal
Year-To-Date: 25.58"
Jan 1 to Sep 18, 2025(260 of 261 days covered by obs)
NOAA Normal
29.22"
Departure from Normal
-3.64" : 88% of Normal
Water Year-To-Date: 31.27"
Oct 1, 2024 to Sep 18, 2025(352 of 353 days covered by obs)
NOAA Normal
36.46"
Departure from Normal
-5.19" : 86% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.69
1.73
-0.04
Feb
1.74
1.73
0.01
Mar
2.43
2.34
0.09
Apr
3.55
3.52
0.03
May
4.66
4.64
0.02
Jun
5.12
4.97
0.15
Jul
4.06
4.11
-0.05
Aug
3.91
3.85
0.06
Sep
3.43
3.36
0.07
Oct
2.87
2.81
0.06
Nov
2.37
2.32
0.05
Dec
2.00
2.04
-0.04
37.83
37.42
0.41