Viewing Station: IL-SL-1 : Harrisburg 4.6 NNE
Mar 1, 2009 - Dec 22, 20254,405 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.61"
December 1-22, 2025(22 of 22 days covered by obs)
NOAA Normal
2.55"
Departure from Normal
-1.94" : 24% of Normal
Year-To-Date: 51.13"
Jan 1 to Dec 22, 2025(353 of 356 days covered by obs)
NOAA Normal
46.37"
Departure from Normal
4.76" : 110% of Normal
Water Year-To-Date: 7.57"
Oct 1, 2025 to Dec 22, 2025(83 of 83 days covered by obs)
NOAA Normal
10.14"
Departure from Normal
-2.57" : 75% 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