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Peak Streamflow for the Nation

USGS 05463090 Black Hawk Creek at Grundy Center, IA

Grundy County, Iowa
Hydrologic Unit Code 07080205
Latitude  42°22'10", Longitude  92°46'05" NAD27
Drainage area 56.9  square miles
Gage datum 970 feet above NGVD29
Output formats
Table
Graph
Tab-separated file
peakfq (watstore) format
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Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
1966 1966-02-09 87.46 4,900
1967 1967-06-12 83.18 310
1968 1968   3004,Bm
1969 1969-07-08 89.60 7,000
1970 1970   3004,Bm
1971 1971-05-24 85.74 1,080
1972 1972-08-06 86.71 1,800
1973 1973-04-17 87.84 2,000
1974 1974-06-22 87.72 1,950
1975 1975-04-28 85.82 1,150
1976 1976-03-13 87.59 2,200
1977 1977   1104,Bm
1978 1978-03-20 85.76 5102
1979 1979-04-19 87.92 3,300
1980 1980-06-01 86.46 1,700
1981 1981-06-24 85.56 960
1982 1982-06-15 85.90 1,200
1983 1983-05-19 87.94 2,250
1984 1984-07-10 86.44 1,100
1985 1985   78.04,Bm
1986 1986-03-19 86.63 1,100
1987 1987   78.04,Bm
1988 1988   78.04,Bm
1989 1989   78.04,Bm
1990 1990-05-20 87.28 1,690
1991 1991-06-01 88.71 4,390
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  Peak Streamflow Qualification Codes.