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Peak Streamflow for Texas

USGS 08473300 Rio Grande nr Progreso, TX

Hidalgo County, Texas
Hydrologic Unit Code 13090002
Latitude  26°03'45", Longitude  97°57'00" NAD27
Drainage area 176,228  square miles
Contributing drainage area 176,228  square miles
Gage datum 52.56 feet above sea level NGVD29
Water
Year
Date Gage
Height
(feet)
Stream-
flow
(cfs)
1954 Apr. 11, 1954 14.50 10,8106
1955 May 16, 1955 8.01 3,5206
1956 May 28, 1956 8.66 4,0306
1957 Apr. 30, 1957 12.76 8,7906
1958 May 16, 1958 11.61 6,4606
1959 Oct. 22, 1958 23.69 19,9006
1960 Apr. 19, 1960 8.96 4,3806
1961 Sep. 17, 1961 15.72 9,0806
1962 May 29, 1962 9.25 4,5606
1963 Jun. 19, 1963 11.52 6,3906
1964 Oct. 28, 1963 11.09 7,2706
Water
Year
Date Gage
Height
(feet)
Stream-
flow
(cfs)
1965 May 19, 1965 12.53 7,6606
1966 Jul. 4, 1966 18.77 12,0006
1967 Sep. 26, 1967 24.84 60,7006
1968 Sep. 15, 1968 11.84 7,2006
1969 Jun. 16, 1969 60.53 3,8806
1970 Apr. 30, 1970 57.78 4,0306
1971 Sep. 24, 1971 75.79 27,5006
1972 Oct. 17, 1971 76.35 35,2006
1973 Jun. 30, 1973 75.82 20,1006
1974 Oct. 17, 1973 73.36 15,5006
1975 Sep. 16, 1975 72.08 14,3006
1976 Aug. 19, 1976 73.46 16,1006
Peak Streamflow Qualification Codes.
  • 6 -- Discharge affected by Regulation or Diversion