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Peak Streamflow for Texas

USGS 08039100 Ayish Bayou nr San Augustine, TX

San Augustine County, Texas
Hydrologic Unit Code 12020005
Latitude  3123'46", Longitude  9409'03" NAD27
Drainage area 89.0  square miles
Contributing drainage area 89.0  square miles
Gage datum 190.22 feet above sea level NGVD29
Water
Year
Date Gage
Height
(feet)
Stream-
flow
(cfs)
1958 Sep. 21, 1958 17.50 15,900
1959 Apr. 18, 1959 14.50 6,100
1960 Feb. 24, 1960 12.77 2,620
1961 Mar. 17, 1961 13.95 5,000
1962 Dec. 10, 1961 13.20 3,200
1963 Dec. 29, 1962 11.58 1,220
1964 Apr. 5, 1964 13.38 4,000
1965 Feb. 12, 1965 11.78 1,380
1966 Feb. 10, 1966 14.04 5,100
1967 Jun. 2, 1967 10.70 620
1968 Apr. 9, 1968 16.82 13,200
1969 Apr. 13, 1969 14.14 5,300
1970 Mar. 4, 1970 12.20 1,580
1971 Aug. 6, 1971 6.97 225
1972 Jan. 30, 1972 11.42 860
1973 Apr. 18, 1973 14.15 5,200
1974 Jan. 19, 1974 14.00 5,100
1975 May 4, 1975 13.86 4,800
1976 Feb. 22, 1976 10.75 714
1977 Feb. 12, 1977 12.27 1,690
1978 Sep. 14, 1978 18.02 18,200
1979 Apr. 24, 1979 16.68 12,700
Water
Year
Date Gage
Height
(feet)
Stream-
flow
(cfs)
1980 May 16, 1980 13.73 4,530
1981 Jun. 6, 1981 12.08 1,420
1982 Apr. 17, 1982 13.28 3,630
1983 May 20, 1983 13.29 3,650
1984 Dec. 10, 1983 15.16 7,750
1985 Feb. 11, 1985 12.83 2,760
1986 Nov. 26, 1985 12.96 2,990
1987 Nov. 25, 1986 15.09 7,560
1988 Apr. 2, 1988 12.96 2,990
1989 May 18, 1989 16.59 12,400
1990 Jun. 1, 1990 14.04 4,970
1991 Apr. 18, 1991 15.15 7,460
1992 Feb. 25, 1992 13.05 2,970
1993 Jan. 20, 1993 12.55 2,320
1994 Feb. 23, 1994 13.70 4,470
1995 Mar. 7, 1995 16.04 10,400
1996 unknown 1996   1,600
1997 Feb. 13, 1997 14.02 5,140
1998 Jan. 7, 1998 14.70 6,580
1999 Nov. 15, 1998 12.68 1,980
2000 May 10, 2000 12.44 2,170
2001 Feb. 28, 2001 13.17 3,380