Viewing Station: PA-AL-69 : Gibsonia 1.2 NE
Oct 23, 2018 - Sep 15, 20252,223 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.39"
September 1-15, 2025(15 of 15 days covered by obs)
NOAA Normal
1.85"
Departure from Normal
-1.46" : 21% of Normal
Year-To-Date: 27.04"
Jan 1 to Sep 15, 2025(257 of 258 days covered by obs)
NOAA Normal
30.37"
Departure from Normal
-3.33" : 89% of Normal
Water Year-To-Date: 33.54"
Oct 1, 2024 to Sep 15, 2025(348 of 350 days covered by obs)
NOAA Normal
39.77"
Departure from Normal
-6.23" : 84% 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