Viewing Station: PA-AD-11 : Biglerville 3.0 WSW
Aug 25, 2012 - Sep 20, 20265,000 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.18"
September 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
3.15"
Departure from Normal
-1.97" : 37% of Normal
Year-To-Date: 28.67"
Jan 1 to Sep 20, 2026(258 of 263 days covered by obs)
NOAA Normal
32.34"
Departure from Normal
-3.67" : 89% of Normal
Water Year-To-Date: 34.91"
Oct 1, 2025 to Sep 20, 2026(349 of 355 days covered by obs)
NOAA Normal
42.75"
Departure from Normal
-7.84" : 82% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.19
3.42
-0.23
Feb
2.59
2.69
-0.10
Mar
3.76
3.83
-0.07
Apr
3.81
3.83
-0.02
May
4.23
4.39
-0.16
Jun
4.14
4.22
-0.08
Jul
3.98
3.77
0.21
Aug
3.49
3.65
-0.16
Sep
4.73
4.97
-0.24
Oct
3.80
3.95
-0.15
Nov
3.16
3.23
-0.07
Dec
3.45
3.58
-0.13
44.33
45.53
-1.20