Viewing Station: PA-MT-166 : Willow Grove 0.6 SW
Dec 20, 2024 - Oct 18, 2025303 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.57"
October 1-18, 2025(18 of 18 days covered by obs)
NOAA Normal
2.37"
Departure from Normal
-1.80" : 24% of Normal
Year-To-Date: 33.59"
Jan 1 to Oct 18, 2025(291 of 291 days covered by obs)
NOAA Normal
38.45"
Departure from Normal
-4.86" : 87% of Normal
Water Year-To-Date: 0.57"
Oct 1, 2025 to Oct 18, 2025(18 of 18 days covered by obs)
NOAA Normal
2.37"
Departure from Normal
-1.80" : 24% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.45
3.59
-0.14
Feb
2.76
2.85
-0.09
Mar
4.12
4.25
-0.13
Apr
3.75
3.73
0.02
May
3.99
4.00
-0.01
Jun
4.29
4.29
0.00
Jul
4.79
4.82
-0.03
Aug
4.49
4.82
-0.33
Sep
4.44
4.45
-0.01
Oct
4.08
4.10
-0.02
Nov
3.35
3.31
0.04
Dec
4.29
4.41
-0.12
47.80
48.62
-0.82