Viewing Station: PA-MT-170 : Plymouth Meeting 1.9 NNW
May 4, 2026 - Sep 20, 2026140 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 1.74"
September 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
3.01"
Departure from Normal
-1.27" : 58% of Normal
Year-To-Date: 21.97"
Jan 1 to Sep 20, 2026(140 of 263 days covered by obs)
NOAA Normal
34.99"
Departure from Normal
-13.02" : 63% of Normal
Water Year-To-Date: 21.97"
Oct 1, 2025 to Sep 20, 2026(140 of 355 days covered by obs)
NOAA Normal
46.80"
Departure from Normal
-24.83" : 47% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.44
3.49
-0.05
Feb
2.73
2.85
-0.12
Mar
4.15
4.19
-0.04
Apr
3.78
3.70
0.08
May
4.05
3.95
0.10
Jun
4.37
4.22
0.15
Jul
4.80
4.67
0.13
Aug
4.66
4.80
-0.14
Sep
4.51
4.47
0.04
Oct
4.14
4.14
0.00
Nov
3.30
3.27
0.03
Dec
4.37
4.40
-0.03
48.30
48.15
0.15