Viewing Station: PA-AL-69 : Gibsonia 1.2 NE
Oct 23, 2018 - Sep 11, 20262,546 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.13"
September 1-12, 2026(11 of 12 days covered by obs)
NOAA Normal
1.48"
Departure from Normal
2.65" : 279% of Normal
Year-To-Date: 34.57"
Jan 1 to Sep 12, 2026(254 of 255 days covered by obs)
NOAA Normal
30.00"
Departure from Normal
4.57" : 115% of Normal
Water Year-To-Date: 42.02"
Oct 1, 2025 to Sep 12, 2026(346 of 347 days covered by obs)
NOAA Normal
39.40"
Departure from Normal
2.62" : 107% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.01
3.34
-0.33
Feb
2.35
2.71
-0.36
Mar
3.25
3.10
0.15
Apr
3.46
3.65
-0.19
May
3.93
3.98
-0.05
Jun
4.52
4.30
0.22
Jul
4.37
4.24
0.13
Aug
3.63
3.63
0.00
Sep
3.70
3.74
-0.04
Oct
3.07
3.10
-0.03
Nov
3.01
3.19
-0.18
Dec
3.32
3.27
0.05
41.62
42.25
-0.63