Viewing Station: IL-SL-1 : Harrisburg 4.6 NNE
Mar 1, 2009 - Aug 24, 20264,649 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.00"
August 1-24, 2026(23 of 24 days covered by obs)
NOAA Normal
2.54"
Departure from Normal
0.46" : 118% of Normal
Year-To-Date: 26.40"
Jan 1 to Aug 24, 2026(235 of 236 days covered by obs)
NOAA Normal
32.12"
Departure from Normal
-5.72" : 82% of Normal
Water Year-To-Date: 34.30"
Oct 1, 2025 to Aug 24, 2026(327 of 328 days covered by obs)
NOAA Normal
43.31"
Departure from Normal
-9.01" : 79% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.45
3.42
0.03
Feb
3.21
3.22
-0.01
Mar
4.53
4.31
0.22
Apr
5.17
5.13
0.04
May
4.81
4.80
0.01
Jun
4.51
4.66
-0.15
Jul
3.90
3.80
0.10
Aug
3.28
2.97
0.31
Sep
3.37
3.21
0.16
Oct
3.57
3.49
0.08
Nov
4.02
4.14
-0.12
Dec
3.60
3.73
-0.13
47.42
46.88
0.54