Viewing Station: IL-KN-118 : Sleepy Hollow 0.7 W
Jul 11, 2017 - Aug 13, 20263,107 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.02"
August 1-13, 2026(13 of 13 days covered by obs)
NOAA Normal
1.63"
Departure from Normal
2.39" : 246% of Normal
Year-To-Date: 30.36"
Jan 1 to Aug 13, 2026(223 of 225 days covered by obs)
NOAA Normal
24.49"
Departure from Normal
5.87" : 124% of Normal
Water Year-To-Date: 37.43"
Oct 1, 2025 to Aug 13, 2026(315 of 317 days covered by obs)
NOAA Normal
32.25"
Departure from Normal
5.18" : 116% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.77
1.88
-0.11
Feb
1.78
1.80
-0.02
Mar
2.29
2.27
0.02
Apr
3.71
3.76
-0.05
May
4.73
4.94
-0.21
Jun
4.65
4.55
0.10
Jul
3.93
3.86
0.07
Aug
3.89
4.07
-0.18
Sep
3.46
3.47
-0.01
Oct
3.26
3.24
0.02
Nov
2.43
2.52
-0.09
Dec
2.07
2.13
-0.06
37.97
38.49
-0.52