Viewing Station: PA-MT-91 : Collegeville 0.8 NNE
Nov 1, 2015 - Sep 20, 20262,493 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.77"
September 1-20, 2026(19 of 20 days covered by obs)
NOAA Normal
3.02"
Departure from Normal
-0.25" : 92% of Normal
Year-To-Date: 33.30"
Jan 1 to Sep 20, 2026(260 of 263 days covered by obs)
NOAA Normal
33.88"
Departure from Normal
-0.58" : 98% of Normal
Water Year-To-Date: 41.45"
Oct 1, 2025 to Sep 20, 2026(351 of 355 days covered by obs)
NOAA Normal
45.22"
Departure from Normal
-3.77" : 92% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.24
3.41
-0.17
Feb
2.74
2.76
-0.02
Mar
3.94
3.92
0.02
Apr
3.70
3.68
0.02
May
3.89
3.84
0.05
Jun
4.29
4.10
0.19
Jul
4.71
4.72
-0.01
Aug
4.35
4.50
-0.15
Sep
4.53
4.63
-0.10
Oct
4.06
4.19
-0.13
Nov
3.19
3.21
-0.02
Dec
4.09
4.22
-0.13
46.73
47.18
-0.45