Perkiomen Creek at Graterford, Montgomery County PA (GRAP1)
Gage Location: Montgomery County, PennsylvaniaSite Location: Montgomery County, Pennsylvania
Latitude: 40.229Longitude: -75.452Elevation: 112.66 ft. MSLDrainage Area: 279 Sq. Mi.
Minor Stage: 11 ft. Moderate Stage: 13 ft.Major Stage: 16 ft.
First Flood: 1915-01-07Last Flood: 2013-01-31 Crest: 12.49 ft.Datum change: 1927-09-14Number of Floods: 81

Click on table headers to sort
MINOR FLOODS
Date of FloodCrest(ft)
1918-02-2012.7
1929-02-2611.22
1929-10-0211.62
1934-09-3012.34
1935-09-0411.55
1936-01-0311.4
1940-03-1512.71
1943-06-1811.62
1943-11-0911.43
1945-01-0111.94
1946-07-2312.18
1948-12-3011.85
1952-04-2811.21
1952-07-1011.15
1952-12-1112.49
1953-01-2411.31
1955-10-1512.72
1958-02-2811.23
1965-02-0811.11
1967-03-0711.86
1968-05-3111.75
1969-07-2911.17
1970-04-0212.2
1972-11-1411.8
1975-07-1412.39
1977-03-2312.19
1982-01-0411.1
1983-04-1011.7
1989-09-2011.08
2000-03-2211.89
2002-05-1412.52
2003-09-1512.43
2003-10-2712.08
2004-07-2812.49
2004-09-2912.53
2005-03-2811.18
2007-04-1512.43
2008-02-1312.08
2008-12-1212.91
2011-11-2312.61
2013-01-3112.49
MODERATE FLOODS
Date of FloodCrest(ft)
1915-01-0714.33
1915-01-1313.98
1915-02-0114.83
1928-07-1413.36
1938-09-2113.5
1940-05-2013.28
1942-08-0915.5
1950-11-2514.6
1952-11-2213.36
1955-08-1314.26
1955-08-1914.08
1960-09-1214.55
1971-09-1414.67
1973-12-2113.04
1978-01-2613.03
1979-01-2514.79
1984-07-0715.06
1985-09-2713.19
1990-05-3013
1993-12-0514.65
1995-03-0913.29
1996-10-1915.67
2000-12-1713.71
2003-06-2113.78
2004-09-1814.8
2005-04-0314.17
2005-10-0814.9
2006-06-2813.66
2010-10-0114.18
2011-09-0713.93
MAJOR FLOODS
Date of FloodCrest(ft)
1933-08-2316.65
1935-07-0918.26
1946-06-0216.23
1972-06-2217.08
1996-01-1916.45
1999-09-1616.59
2011-08-2818.2
MISSING
Date of FloodCrest(ft)
1915-08-04-9999
1918-02-15-9999
1919-07-21-9999



Categorical Floods by Month
MonthMinor
After
Datum
Minor
Total
Moderate
After
Datum
Moderate
Total
Major
After
Datum
Major
Total
Missing
After
Datum
Missing
Total
January55241100
February45010001
March55110000
April44110000
May22220000
June11222200
July55221101
August00332201
September55661100
October33330000
November33220000
December33330000


Categorical Floods by Season
SeasonMinorModerateMajorMissing
Fall111110
Winter13811
Spring11400
Summer6752