West Branch Susquehanna River at Watsontown, Northumberland County PA (WATP1)
Gage Location: Northumberland County, PennsylvaniaSite Location: Northumberland County, Pennsylvania
Latitude: 41.082Longitude: -76.864Elevation: 440 ft. MSLDrainage Area: 65473 Sq. Mi.
Minor Stage: 23 ft. Moderate Stage: 25 ft.Major Stage: 29 ft.
First Flood: 1936-03-12Last Flood: 2011-09-08 Crest: 26.7 ft.Datum change: 1936-01-01Number of Floods: 12

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MINOR FLOODS
Date of FloodCrest(ft)
1940-04-0124.75
1942-03-3124.75
1948-04-1524.25
2010-12-0224.3
MODERATE FLOODS
Date of FloodCrest(ft)
1936-03-1227.5
1950-11-2628.6
1996-01-2028.5
2004-09-1928.8
2011-09-0826.7
MAJOR FLOODS
Date of FloodCrest(ft)
1936-03-1836.25
1946-05-2930.5
1972-06-2337.5
MISSING
Date of FloodCrest(ft)



Categorical Floods by Month
MonthMinor
After
Datum
Minor
Total
Moderate
After
Datum
Moderate
Total
Major
After
Datum
Major
Total
Missing
After
Datum
Missing
Total
January00110000
February00000000
March11111100
April22000000
May00001100
June00001100
July00000000
August00000000
September00220000
October00000000
November00110000
December11000000


Categorical Floods by Season
SeasonMinorModerateMajorMissing
Fall0300
Winter1100
Spring3120
Summer0010