Viewing Station: IL-SL-7 : Harrisburg 3.5 NNE
Mar 22, 2023 - Dec 15, 2025989 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.21"
December 1-15, 2025(15 of 15 days covered by obs)
NOAA Normal
1.76"
Departure from Normal
-1.55" : 12% of Normal
Year-To-Date: 54.85"
Jan 1 to Dec 15, 2025(346 of 349 days covered by obs)
NOAA Normal
45.77"
Departure from Normal
9.08" : 120% of Normal
Water Year-To-Date: 7.35"
Oct 1, 2025 to Dec 15, 2025(73 of 76 days covered by obs)
NOAA Normal
9.36"
Departure from Normal
-2.01" : 79% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.47
3.43
0.04
Feb
3.26
3.23
0.03
Mar
4.55
4.32
0.23
Apr
5.16
5.14
0.02
May
4.85
4.79
0.06
Jun
4.53
4.67
-0.14
Jul
3.95
3.79
0.16
Aug
3.31
2.96
0.35
Sep
3.33
3.21
0.12
Oct
3.58
3.49
0.09
Nov
4.02
4.15
-0.13
Dec
3.63
3.74
-0.11
47.64
46.92
0.72