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Peak Streamflow for Texas

USGS 08458700 Rio Grande at San Antonio Crossing

Maverick County, Texas
Hydrologic Unit Code 13080002
Latitude  28°21'00", Longitude 100°18'00" NAD27
Drainage area 129,226  square miles
Contributing drainage area 129,226  square miles
Gage datum 580.00 feet above sea level NGVD29
Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
1953 Sep. 2, 1953    6
1954 Jun. 29, 1954 42.70 912,0006
1955 Sep. 26, 1955 10.43 50,5006
1956 Sep. 2, 1956 5.36 11,7006
1957 May 29, 1957 12.67 73,5006
1958 Jun. 19, 1958 13.13 78,8006
1959 Oct. 8, 1958 11.37 59,6006
1960 Oct. 6, 1959   31,5006
1961 Jun. 18, 1961 19.85 181,0006
1962 Sep. 11, 1962 5.47 14,7006
1963 Oct. 21, 1962 6.31 20,3006
1964 Sep. 25, 1964 26.03 250,0006
1965 Jun. 14, 1965 9.75 37,1006
1966 May 1, 1966 16.04 37,8006
1967 Sep. 4, 1967 9.80 32,0006
Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
1968 May 11, 1968 9.47 18,9006
1969 Aug. 27, 1969 11.65 41,5006
1970 Oct. 6, 1969 9.89 22,5006
1971 Jun. 28, 1971 14.38 82,4006
1972 Aug. 13, 1972 9.44 18,4006
1973 Sep. 23, 1973 9.71 19,6006
1974 Sep. 24, 1974 16.27 67,9006
1975 Jul. 19, 1975 23.20 131,0006
1976 Jul. 18, 1976 13.15 45,9006
1977 May 22, 1977 9.86 23,6006
1978 Jun. 4, 1978 8.76 11,3006
1979 Nov. 6, 1978 11.53 35,6006
1980 Aug. 12, 1980 11.78 35,7006
1981 Apr. 24, 1981 9.84 23,0006
1982 Oct. 14, 1981 9.02 13,5006
1983 Sep. 19, 1983 12.83 43,6006
Peak Streamflow Qualification Codes.
  • 6 -- Discharge affected by Regulation or Diversion