Viewing Station: PA-AL-108 : Coraopolis 2.0 WNW
Nov 9, 2020 - Dec 11, 2025375 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.62"
December 1-12, 2025(7 of 12 days covered by obs)
NOAA Normal
1.13"
Departure from Normal
-0.51" : 55% of Normal
Year-To-Date: 15.64"
Jan 1 to Dec 12, 2025(53 of 346 days covered by obs)
NOAA Normal
37.38"
Departure from Normal
-21.74" : 42% of Normal
Water Year-To-Date: 3.62"
Oct 1, 2025 to Dec 12, 2025(16 of 73 days covered by obs)
NOAA Normal
6.76"
Departure from Normal
-3.14" : 54% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.87
3.03
-0.16
Feb
2.41
2.51
-0.10
Mar
3.11
3.14
-0.03
Apr
3.37
3.45
-0.08
May
3.81
3.83
-0.02
Jun
3.99
4.16
-0.17
Jul
4.14
4.08
0.06
Aug
3.49
3.26
0.23
Sep
3.43
3.47
-0.04
Oct
2.89
2.88
0.01
Nov
2.74
2.81
-0.07
Dec
2.91
2.98
-0.07
39.16
39.60
-0.44