Viewing Station: IL-SL-1 : Harrisburg 4.6 NNE
Mar 1, 2009 - Jan 12, 20264,426 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.09"
January 1-12, 2026(12 of 12 days covered by obs)
NOAA Normal
1.34"
Departure from Normal
-1.25" : 7% of Normal
Year-To-Date: 0.09"
Jan 1 to Jan 12, 2026(12 of 12 days covered by obs)
NOAA Normal
1.34"
Departure from Normal
-1.25" : 7% of Normal
Water Year-To-Date: 7.99"
Oct 1, 2025 to Jan 12, 2026(104 of 104 days covered by obs)
NOAA Normal
12.53"
Departure from Normal
-4.54" : 64% 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