Viewing Station: PA-AL-105 : Tarentum 2.6 WNW
Nov 3, 2020 - Sep 4, 2026567 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.20"
September 1-4, 2026(3 of 4 days covered by obs)
NOAA Normal
0.50"
Departure from Normal
1.70" : 442% of Normal
Year-To-Date: 18.42"
Jan 1 to Sep 4, 2026(50 of 247 days covered by obs)
NOAA Normal
29.21"
Departure from Normal
-10.79" : 63% of Normal
Water Year-To-Date: 21.40"
Oct 1, 2025 to Sep 4, 2026(72 of 339 days covered by obs)
NOAA Normal
38.56"
Departure from Normal
-17.16" : 56% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.09
3.30
-0.21
Feb
2.44
2.62
-0.18
Mar
3.25
3.21
0.04
Apr
3.47
3.60
-0.13
May
3.88
3.94
-0.06
Jun
4.53
4.46
0.07
Jul
4.39
4.36
0.03
Aug
3.66
3.71
-0.05
Sep
3.73
3.80
-0.07
Oct
3.07
3.13
-0.06
Nov
3.04
3.13
-0.09
Dec
3.24
3.25
-0.01
41.79
42.51
-0.72