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Peak Streamflow for Texas

USGS 08181500 Medina Rv at San Antonio, TX

Bexar County, Texas
Hydrologic Unit Code 12100302
Latitude  2915'14", Longitude  9828'20" NAD27
Drainage area 1,317  square miles
Contributing drainage area 1,317  square miles
Gage datum 439.03 feet above sea level NGVD29
Water
Year
Date Gage
Height
(feet)
Stream-
flow
(cfs)
1940 Jun. 30, 1940 15.97 2,5406
1941 Feb. 2, 1941 22.93 6,8906
1942 Sep. 5, 1942 30.92 17,5006
1943 Oct. 18, 1942 27.20 12,1006
1944 Aug. 28, 1944 13.33 2,0006
1945 Feb. 12, 1945 16.96 3,5406
1946 Aug. 29, 1946   31,8006
1947 Oct. 9, 1946 12.57 1,4706
1948 Aug. 27, 1948 14.58 2,0506
1949 Jun. 26, 1949 30.79 17,4006
1950 Oct. 25, 1949 21.67 5,6606
1951 May 16, 1951 14.92 2,1506
1952 Sep. 12, 1952 9.11 8016
1953 Sep. 4, 1953 20.79 4,9606
1954 Apr. 8, 1954 9.53 8656
1955 Feb. 6, 1955 11.35 1,2006
1956 Sep. 1, 1956 16.37 1,7506
1957 Apr. 29, 1957 22.83 5,1806
1958 May 3, 1958 27.79 9,2206
1959 Oct. 30, 1958 19.56 3,3506
1960 Oct. 4, 1959 19.33 3,2006
1961 Jul. 23, 1961 17.92 3,0506
1962 Oct. 26, 1961 19.57 3,9606
1963 Sep. 14, 1963 10.22 8906
1964 Oct. 25, 1963 15.84 2,1406
1965 May 18, 1965 23.52 5,4306
1966 Dec. 4, 1965 16.68 2,1606
1967 Sep. 22, 1967 23.56 5,4806
1968 Jan. 18, 1968 28.56 13,1006
1969 May 5, 1969 18.32 2,7306
1970 May 15, 1970 19.71 3,3606
Water
Year
Date Gage
Height
(feet)
Stream-
flow
(cfs)
1971 Aug. 4, 1971 18.88 2,9506
1972 May 8, 1972 23.15 6,3606
1973 Jul. 17, 1973 43.59 31,9006
1974 Aug. 31, 1974 26.18 9,6806
1975 Feb. 4, 1975 20.86 4,1306
1976 May 8, 1976 23.48 7,5106
1977 Sep. 13, 1977 21.46 4,6206
1978 Aug. 4, 1978 25.95 9,4406
1979 Jun. 1, 1979 21.61 4,7506
1980 Aug. 11, 1980 15.84 1,9806
1981 Jun. 14, 1981 29.04 14,5006
1982 May 17, 1982 23.30 8,1606
1983 Jun. 5, 1983 9.51 6066
1984 Aug. 17, 1984 7.92 3266
1985 Oct. 11, 1984 18.87 4,0806
1986 Jun. 4, 1986 31.87 15,9006
1987 Jun. 5, 1987 37.37 28,6006
1988 Sep. 17, 1988 11.57 1,3306
1989 Apr. 19, 1989 9.09 8616
1990 Jul. 16, 1990 23.81 7,9006
1991 Apr. 5, 1991 20.35 4,9906
1992 Dec. 22, 1991 30.16 15,6006
1993 May 6, 1993 23.79 7,8806
1994 May 14, 1994 10.45 1,2506
1995 Oct. 8, 1994 16.02 3,0506
1996 Sep. 10, 1996 12.30 7816
1997 Jun. 23, 1997 28.14 13,0006
1998 Mar. 17, 1998 14.99 2,0206
1999 Oct. 18, 1998 49.47 42,4006
2000 Jun. 11, 2000 12.81 1,2706
2001 Nov. 3, 2000 25.50 8,4106
Peak Streamflow Qualification Codes.
  • 6 -- Discharge affected by Regulation or Diversion