Viewing Station: PA-MT-155 : Willow Grove 1.1 SSE
Jan 28, 2024 - Aug 21, 2026920 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.85"
August 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
3.04"
Departure from Normal
2.81" : 192% of Normal
Year-To-Date: 26.91"
Jan 1 to Aug 21, 2026(231 of 233 days covered by obs)
NOAA Normal
30.13"
Departure from Normal
-3.22" : 89% of Normal
Water Year-To-Date: 35.09"
Oct 1, 2025 to Aug 21, 2026(322 of 325 days covered by obs)
NOAA Normal
41.79"
Departure from Normal
-6.70" : 84% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.46
3.59
-0.13
Feb
2.79
2.85
-0.06
Mar
4.09
4.26
-0.17
Apr
3.76
3.73
0.03
May
3.93
3.99
-0.06
Jun
4.27
4.30
-0.03
Jul
4.79
4.81
-0.02
Aug
4.49
4.82
-0.33
Sep
4.43
4.45
-0.02
Oct
4.05
4.08
-0.03
Nov
3.32
3.31
0.01
Dec
4.29
4.41
-0.12
47.67
48.60
-0.93