Viewing Station: PA-WN-35 : PROMPTON - 25
Jan 1, 2008 - Sep 20, 20266,797 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.83"
September 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
2.86"
Departure from Normal
0.97" : 134% of Normal
Year-To-Date: 30.51"
Jan 1 to Sep 20, 2026(263 of 263 days covered by obs)
NOAA Normal
32.55"
Departure from Normal
-2.04" : 94% of Normal
Water Year-To-Date: 39.42"
Oct 1, 2025 to Sep 20, 2026(355 of 355 days covered by obs)
NOAA Normal
43.76"
Departure from Normal
-4.34" : 90% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.14
3.29
-0.15
Feb
2.64
2.75
-0.11
Mar
3.38
3.34
0.04
Apr
3.87
3.84
0.03
May
3.88
3.82
0.06
Jun
4.57
4.79
-0.22
Jul
4.13
3.98
0.15
Aug
4.08
4.11
-0.03
Sep
4.29
4.47
-0.18
Oct
4.42
4.40
0.02
Nov
3.20
3.20
0.00
Dec
3.59
3.83
-0.24
45.19
45.82
-0.63