Viewing Station: PA-MT-133 : Willow Grove 0.9 ESE
Mar 30, 2021 - Oct 18, 20251,574 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.50"
October 1-18, 2025(18 of 18 days covered by obs)
NOAA Normal
2.35"
Departure from Normal
-1.85" : 21% of Normal
Year-To-Date: 34.21"
Jan 1 to Oct 18, 2025(283 of 291 days covered by obs)
NOAA Normal
38.36"
Departure from Normal
-4.15" : 89% of Normal
Water Year-To-Date: 0.50"
Oct 1, 2025 to Oct 18, 2025(18 of 18 days covered by obs)
NOAA Normal
2.35"
Departure from Normal
-1.85" : 21% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.46
3.61
-0.15
Feb
2.79
2.86
-0.07
Mar
4.09
4.27
-0.18
Apr
3.76
3.73
0.03
May
3.93
4.01
-0.08
Jun
4.27
4.32
-0.05
Jul
4.79
4.84
-0.05
Aug
4.49
4.84
-0.35
Sep
4.43
4.45
-0.02
Oct
4.05
4.08
-0.03
Nov
3.32
3.33
-0.01
Dec
4.29
4.41
-0.12
47.67
48.75
-1.08