Viewing Station: IL-KN-118 : Sleepy Hollow 0.7 W
Jul 11, 2017 - Dec 15, 20252,867 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.87"
December 1-16, 2025(15 of 16 days covered by obs)
NOAA Normal
1.07"
Departure from Normal
-0.20" : 81% of Normal
Year-To-Date: 30.60"
Jan 1 to Dec 16, 2025(349 of 350 days covered by obs)
NOAA Normal
36.97"
Departure from Normal
-6.37" : 83% of Normal
Water Year-To-Date: 6.36"
Oct 1, 2025 to Dec 16, 2025(76 of 77 days covered by obs)
NOAA Normal
6.76"
Departure from Normal
-0.40" : 94% 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