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Peak Streamflow for Texas

USGS 08195000 Frio Rv at Concan, TX

Uvalde County, Texas
Hydrologic Unit Code 12110106
Latitude  29°29'18", Longitude  99°42'16" NAD27
Drainage area 389  square miles
Contributing drainage area 389  square miles
Gage datum 1,203.71 feet above sea level NGVD29
Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
1923 Sep. 18, 1923 28.80 100,000
1924 Nov. 2, 1923 4.72 1,200
1925 May 28, 1925 4.30 1,800
1926 Jul. 23, 1926 14.50 24,000
1927 Jul. 15, 1927 3.30 800
1928 unknown 1928    
1929 May 29, 1929   2,000
1931 Oct. 6, 1930 22.30 52,600
1932 Jul. 1, 1932 34.44 162,000
1933 May 25, 1933 2.29 388
1934 Apr. 4, 1934 4.75 3,100
1935 Jun. 14, 1935 29.40 106,000
1936 Sep. 16, 1936 30.65 119,000
1937 Jun. 4, 1937 2.65 622
1938 Dec. 29, 1937 2.72 668
1939 Jul. 13, 1939 12.90 21,300
1940 Jul. 3, 1940 3.57 1,360
1941 Apr. 27, 1941 7.04 6,720
1942 Oct. 24, 1941 6.32 5,260
1943 Oct. 15, 1942 3.45 1,200
1944 Jun. 6, 1944 4.20 2,080
1945 Jan. 18, 1945 3.77 1,560
1946 Sep. 27, 1946 3.50 1,2502
1947 Oct. 8, 1946 10.46 15,000
1948 Jun. 11, 1948 2.33 195
1949 Feb. 25, 1949 16.40 29,300
1950 May 16, 1950 2.30 370
1951 May 15, 1951 10.47 13,900
1952 May 27, 1952 3.27 906
1953 Sep. 1, 1953 4.02 105
1954 May 25, 1954 11.29 13,900
1955 May 19, 1955 6.66 2,760
1956 Jul. 3, 1956 4.34 231
1957 Apr. 24, 1957 10.45 11,400
1958 Sep. 19, 1958 16.12 28,400
1959 Jun. 26, 1959 12.20 18,000
1960 Oct. 4, 1959 7.46 4,340
1961 Jun. 18, 1961 7.30 4,000
1962 Jun. 1, 1962 6.33 2,260
Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
1963 Oct. 20, 1962 7.06 3,500
1964 Sep. 22, 1964 6.54 2,580
1965 Jun. 23, 1965 11.05 13,000
1966 Aug. 13, 1966 22.45 56,500
1967 Jul. 20, 1967 10.30 10,900
1968 Oct. 15, 1967 9.53 8,750
1969 Apr. 12, 1969 3.98 151
1970 Oct. 5, 1969 18.96 37,900
1971 Aug. 13, 1971 14.28 22,800
1972 May 7, 1972 9.60 9,000
1973 Jul. 15, 1973 19.60 40,100
1974 Oct. 13, 1973 18.26 35,400
1975 Oct. 31, 1974 8.15 5,740
1976 May 7, 1976 11.15 13,400
1977 Apr. 15, 1977 12.74 18,200
1978 Oct. 22, 1977 13.62 20,800
1979 Jun. 5, 1979 13.62 7,390
1980 Sep. 29, 1980 16.02 28,100
1981 Jun. 16, 1981 19.82 40,900
1982 Oct. 13, 1981 16.80 30,600
1983 May 20, 1983 4.25 238
1984 Nov. 5, 1983 5.51 1,300
1985 Dec. 31, 1984 21.59 47,500
1986 Oct. 19, 1985 11.58 14,700
1987 May 29, 1987 18.36 35,800
1988 Jul. 11, 1988 13.33 20,000
1989 Feb. 19, 1989 3.99 129
1990 May 3, 1990 9.15 7,920
1991 Sep. 16, 1991 22.40 50,700
1992 Oct. 29, 1991 11.92 15,700
1993 Jan. 19, 1993 5.27 1,020
1994 May 13, 1994 11.65 14,900
1995 Sep. 21, 1995 13.71 21,100
1996 Sep. 15, 1996 7.60 4,640
1997 Jun. 22, 1997 24.40 61,000
1998 Aug. 23, 1998 24.22 59,900
1999 Oct. 18, 1998 7.06 3,640
2000 Jun. 10, 2000 3.91 108
2001 Oct. 23, 2000 18.29 35,500
Peak Streamflow Qualification Codes.
  • 2 -- Discharge is an Estimate