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Peak Streamflow for the Nation

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 1,203.54 feet above NAVD88
Output formats
Table
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Tab-separated file
peakfq (watstore) format
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Water
Year
Date Gage
Height
(feet)
Stream-
flow
(cfs)
1923 1923-09-18 28.80 100,000
1924 1923-11-02 4.72 1,200
1925 1925-05-28 4.30 1,800
1926 1926-07-23 14.50 24,000
1927 1927-07-15 3.30 800
1929 1929-05-29 4.50 2,000
1931 1930-10-06 22.30 52,600
1932 1932-07-01 34.44 162,000
1933 1933-05-25 2.29 388
1934 1934-04-04 4.75 3,100
1935 1935-06-14 29.40 106,000
1936 1936-09-16 30.65 119,000
1937 1937-06-04 2.65 622
1938 1937-12-29 2.72 668
1939 1939-07-13 12.90 21,300
1940 1940-07-03 3.57 1,360
1941 1941-04-27 7.04 6,720
1942 1941-10-24 6.32 5,260
1943 1942-10-15 3.45 1,200
1944 1944-06-06 4.20 2,080
1945 1945-01-18 3.77 1,560
1946 1946-09-27 3.50 1,2502
1947 1946-10-08 10.46 15,000
1948 1948-06-11 2.33 195
1949 1949-02-25 16.40 29,300
1950 1950-05-16 2.30 370
1951 1951-05-15 10.47 13,900
1952 1952-05-27 3.27 906
1953 1953-09-01 4.02 105
1954 1954-05-25 11.29 13,900
1955 1955-05-19 6.66 2,760
1956 1956-07-03 4.34 231
1957 1957-04-24 10.45 11,400
1958 1958-09-19 16.12 28,400
1959 1959-06-26 12.20 18,000
1960 1959-10-04 7.46 4,340
1961 1961-06-18 7.30 4,000
1962 1962-06-01 6.33 2,260
1963 1962-10-20 7.06 3,500
1964 1964-09-22 6.54 2,580
1965 1965-06-23 11.05 13,000
1966 1966-08-13 22.45 56,500
1967 1967-07-20 10.30 10,900
1968 1967-10-15 9.53 8,750
1969 1969-04-12 3.98 151
1970 1969-10-05 18.96 37,900
1971 1971-08-13 14.28 22,800
1972 1972-05-07 9.60 9,000
1973 1973-07-15 19.60 40,100
1974 1973-10-13 18.26 35,400
1975 1974-10-31 8.15 5,740
1976 1976-05-07 11.15 13,400
1977 1977-04-15 12.74 18,200
1978 1977-10-22 13.62 20,800
1979 1979-06-05 13.62 7,390
1980 1980-09-29 16.02 28,100
1981 1981-06-16 19.82 40,900
1982 1981-10-13 16.80 30,600
1983 1983-05-20 4.25 238
1984 1983-11-05 5.51 1,300
1985 1984-12-31 21.59 47,500
1986 1985-10-19 11.58 14,700
1987 1987-05-29 18.36 35,800
1988 1988-07-11 13.33 20,000
1989 1989-02-19 3.99 129
1990 1990-05-03 9.15 7,920
1991 1991-09-16 22.40 50,700
1992 1991-10-29 11.92 15,700
1993 1993-01-19 5.27 1,020
1994 1994-05-13 11.65 14,900
1995 1995-09-21 13.71 21,100
1996 1996-09-15 7.60 4,640
1997 1997-06-22 24.40 61,000
1998 1998-08-23 24.22 59,900
1999 1998-10-18 7.06 3,640
2000 2000-06-10 3.91 108
2001 2000-10-23 18.29 35,500
2002 2002-07-05 31.235 119,0002
2003 2002-10-09 4.90 687
2004 2004-04-06 18.23 35,300
2005 2004-11-16 9.20 8,040
2006 2006-07-02 8.89 7,330
2007 2007-06-26 18.55 36,400
2008 2008-03-10 3.78 106
2009 2009-09-10 4.17 272
2010 2010-04-16 4.97 800
2011 2011-01-09 3.59 47.0
2012 2012-05-10 8.07 5,570
2013 2013-05-24 5.61 1,440
2014 2014-05-26 9.21 8,060
2015 2015-05-24 13.52 20,600
2016 2016-09-25 11.36 14,000
2017 2017-04-17 4.71 575
2018 2018-09-08 12.35 17,000
2019 2018-10-08 14.45 23,300
2020 2020-01-17 3.79 84.1
2021 2021-06-22 5.75 1,610
2022 2022-08-24 3.89 98.5
2023 2023-05-30 3.69 67.8
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.