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Peak Streamflow for the Nation

USGS 08136000 Concho Rv at San Angelo, TX

Tom Green County, Texas
Hydrologic Unit Code 12090105
Latitude  31°27'16", Longitude 100°24'37" NAD27
Drainage area 5,542  square miles
Contributing drainage area 4,411  square miles
Gage datum 1,777.10 feet above NAVD88
Output formats
Table
Graph
Tab-separated file
peakfq (watstore) format
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Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
1906 1906-08-06 47.50 246,0007
1916 1916-09-01 13.00 9,700
1917 1917-04-18 13.70 10,600
1918 1918-05-17 13.80 10,700
1919 1919-07-08 26.60 31,800
1920 1919-10-06 18.52 17,100
1921 1921-08-31 14.70 11,900
1922 1922-04-26 36.80 92,000
1923 1923-08-23 9.60 5,800
1924 1924-04-25 28.10 36,300
1925 1925-05-31 31.20 49,200
1926 1926-04-21 27.68 35,100
1927 1926-10-15 6.37 2,730
1928 1927-10-01 23.35 25,400
1929 1929-09-06 9.70 6,000
1930 1930-06-13 29.30 40,200
1931 1930-10-13 32.65 57,6006
1932 1932-05-10 29.90 42,6006
1933 1932-12-24 2.36 2866
1934 1934-04-05 12.85 9,5106
1935 1935-05-15 29.00 39,0006
1936 1936-09-17 46.60 230,0006
1937 1937-06-02 21.22 23,4006
1938 1938-07-23 35.90 85,1006
1939 1939-05-04 18.94 19,1006
1940 1940-06-29 26.05 34,4006
1941 1941-06-05 24.13 27,6006
1942 1942-08-23 30.88 51,5006
1943 1943-05-23 8.57 5,5606
1944 1944-09-06 13.97 12,2006
1945 1945-07-06 19.62 20,0006
1946 1946-09-26 31.76 56,0006
1947 1947-05-11 15.59 15,0006
1948 1948-07-06 30.00 47,5006
1949 1949-04-24 21.74 25,1006
1950 1949-10-24 16.08 15,7006
1951 1951-08-12 7.71 4,7406
1952 1952-05-01 1.99 1746
1953 1953-08-20 14.09 12,8006
1954 1953-10-04 15.55 14,6006
1955 1955-07-18 23.90 25,5006
1956 1956-04-30 8.04 3,8006
1957 1957-05-09 39.80 106,0006
1958 1957-10-13 19.06 19,6006
1959 1959-09-30 18.35 17,7006
1960 1959-10-03 40.70 122,0006
1961 1961-06-18 14.41 12,1006
1962 1961-10-09 15.47 13,6006
1963 1962-10-19 3.02 3166
1964 1964-05-28 5.60 2,0606
1965 1965-05-14 3.81 7486
1966 1966-08-31 5.85 1,0206
1967 1967-09-15 4.11 9206
1968 1968-05-09 3.82 7026
1969 1969-09-09 3.43 5056
1970 1969-10-12 3.90 7806
1971 1971-08-13 5.23 1,7806
1972 1972-05-13 3.92 7946
1973 1973-09-06 4.65 1,3006
1974 1974-05-25 4.63 1,2906
1975 1974-10-30 8.00 3,7006
1976 1976-04-11 5.29 1,5806
1977 1977-05-15 6.88 2,7206
1978 1978-08-03 5.19 1,5206
1979 1979-04-21 3.25 4146
1980 1980-09-09 14.37 11,5006
1981 1981-05-30 4.69 1,2006
1982 1981-10-13 8.65 4,3206
1983 1983-07-05 4.49 1,0806
1984 1984-09-26 3.89 7406
1985 1985-09-29 4.17 8986
1986 1986-09-02 8.18 3,8706
1987 1987-05-31 10.50 6,3206
1988 1988-05-13 4.93 1,3506
1989 1989-03-03 4.07 8426
1990 1990-09-16 7.05 2,8606
1991 1991-06-03 4.30 9706
1992 1992-04-16 8.20 3,8906
1993 1993-06-17 4.10 8606
1994 1994-09-08 9.26 4,9506
1995 1995-05-28 8.81 4,4906
1996 1996-06-02 3.31 4426
1997 1996-10-28 4.95 1,3706
1998 1998-05-27 3.91 7516
1999 1999-06-06 7.95 3,6606
2000 2000-06-18 2.97 2996
2001 2001-09-19 4.47 1,0706
2002 2002-03-19 4.20 9146
2003 2003-06-04 8.77 4,4506
2004 2004-07-27 3.85 7186
2005 2004-11-17 4.08 8486
2006 2006-08-28 4.03 8196
2007 2007-08-18 10.97 6,8806
2008 2008-03-18 5.10 1,4606
2009 2009-04-27 5.14 1,4906
2010 2010-04-15 4.36 1,0006
2011 2011-08-13 10.46 6,2806
2012 2012-09-29 9.56 5,2706
2013 2013-09-20 4.39 1,0206
2014 2014-05-27 11.92 8,0706
2015 2015-05-19 12.42 8,7306
2016 2016-06-27 9.15 4,8306
2017 2017-08-24 6.02 2,0706
2018 2018-09-07 7.37 2,9806
2019 2019-06-02 13.49 6,7906
2020 2020-09-09 5.26 1,3206
2021 2021-08-17 7.25 2,2906
2022 2022-09-02 5.74 1,5406
2023 2023-07-01   1,3706
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  Peak Streamflow Qualification Codes.