Viewing Station: PA-CD-6 : Mechanicsburg 1.0 NNW
Dec 26, 2010 - Sep 20, 20265,258 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.36"
September 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
2.90"
Departure from Normal
1.46" : 150% of Normal
Year-To-Date: 28.75"
Jan 1 to Sep 20, 2026(252 of 263 days covered by obs)
NOAA Normal
31.44"
Departure from Normal
-2.69" : 91% of Normal
Water Year-To-Date: 36.40"
Oct 1, 2025 to Sep 20, 2026(342 of 355 days covered by obs)
NOAA Normal
41.56"
Departure from Normal
-5.16" : 88% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.95
3.17
-0.22
Feb
2.56
2.59
-0.03
Mar
3.51
3.71
-0.20
Apr
3.67
3.63
0.04
May
3.76
4.09
-0.33
Jun
4.03
4.17
-0.14
Jul
4.15
4.25
-0.10
Aug
3.91
3.96
-0.05
Sep
4.35
4.49
-0.14
Oct
3.73
3.83
-0.10
Nov
3.09
3.06
0.03
Dec
3.30
3.49
-0.19
43.01
44.44
-1.43