Viewing Station: IL-KN-118 : Sleepy Hollow 0.7 W
Jul 11, 2017 - May 27, 20263,028 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.11"
May 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
4.12"
Departure from Normal
-3.01" : 27% of Normal
Year-To-Date: 14.43"
Jan 1 to May 27, 2026(145 of 147 days covered by obs)
NOAA Normal
13.67"
Departure from Normal
0.76" : 106% of Normal
Water Year-To-Date: 21.50"
Oct 1, 2025 to May 27, 2026(237 of 239 days covered by obs)
NOAA Normal
21.43"
Departure from Normal
0.07" : 100% 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