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Peak Streamflow for the Nation

USGS 08172000 San Marcos Rv at Luling, TX

Caldwell County, Texas
Hydrologic Unit Code 12100203
Latitude  29°39'58", Longitude  97°39'02" NAD27
Drainage area 838  square miles
Contributing drainage area 838  square miles
Gage datum 322.05 feet above NGVD29
Output formats
Table
Graph
Tab-separated file
peakfq (watstore) format
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Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
1869 1869 40.40Bm  
1929 1929-05-29 37.10  
1940 1940-06-30 32.81 28,800
1941 1940-11-22 30.00 15,300
1942 1942-07-05 32.93 29,500
1943 1942-10-18 22.83 5,190
1944 1944-05-28 26.52 7,120
1945 1945-03-30 27.97 9,480
1946 1946-03-13 25.61 6,160
1947 1946-11-04 28.46 10,600
1948 1948-05-12 10.00 1,170
1949 1949-04-25 29.43 12,500
1950 1949-10-22 30.70 17,200
1951 1951-06-04 28.58 10,200
1952 1952-09-12 34.95 57,000
1953 1953-04-29 32.42 27,000
1954 1954-05-12 24.69 5,350
1955 1955-05-19 21.73 4,020
1956 1956-05-15 18.08 2,670
1957 1957-04-25 32.70 29,400
1958 1958-05-03 33.87 41,400
1959 1959-04-12 26.82 7,490
1960 1960-06-25 33.56 37,900
1961 1960-10-29 33.30 34,800
1962 1961-11-13 23.05 4,3005
1963 1962-10-29 14.42 1,8305
1964 1963-11-08 13.79 1,7105
1965 1965-05-19 29.12 10,6005
1966 1965-12-03 27.64 7,9805
1967 1967-09-22 27.36 7,6705
1968 1968-01-21 31.42 24,8005
1969 1968-12-01 23.60 4,6005
1970 1970-05-16 33.11 32,4005
1971 1970-10-23 18.83 2,9105
1972 1972-05-12 34.11 44,1005
1973 1973-06-13 27.42 7,7505
1974 1973-10-16 29.71 12,3005
1975 1975-05-24 33.90 41,4005
1976 1976-05-07 30.31 14,3005
1977 1977-04-20 30.83 16,5005
1978 1978-06-07 15.39 2,0205
1979 1979-04-19 24.11 5,5105
1980 1980-09-07 25.89 6,4605
1981 1981-06-14 34.82 54,8005
1982 1981-10-31 28.34 9,1205
1983 1983-06-17 22.20 4,6705
1984 1983-11-06 7.06 6806
1985 1985-06-07 31.47 27,4006
1986 1985-11-24 31.24 18,0006
1987 1987-06-04 31.41 27,0006
1988 1987-11-26 25.73 7,1606
1989 1989-05-18 17.00 3,0106
1990 1990-05-04 17.84 3,2506
1991 1991-01-18 29.04 12,6006
1992 1991-12-22 33.65 39,5006
1993 1993-05-06 20.45 4,8206
1994 1994-05-15 16.09 3,1606
1995 1995-05-31 27.12 8,9706
1996 1996-08-26 9.98 1,4006
1997 1997-06-23 32.65 25,2006
1998 1998-03-17 25.33 7,4006
1999 1998-10-18 41.85 206,0006
2000 2000-06-11 10.42 1,0906
2001 2000-11-04 26.67 8,5406
2002 2001-11-16 34.83 43,7006
2003 2002-11-05 30.98 16,4006
2004 2004-06-30 28.26 12,7006
2005 2004-11-22 37.17 84,8006
2006 2005-10-11 8.92 1,2106
2007 2007-03-12 31.72 25,9006
2008 2008-08-16 6.87 7116
2009 2009-04-18 18.38 4,8006
2010 2010-06-10 27.66 13,7006
2011 2010-11-01 6.30 5496
2012 2012-01-25 32.60 34,7006
2013 2013-09-29 22.50 7,5906
2014 2013-10-31 34.47 48,2006
2015 2015-05-24 36.55 74,8002,6
2016 2015-10-31 36.30 71,0006
2017 2017-08-27 30.09 19,3006
2018 2018-03-29 22.94 7,9606
2019 2018-12-08 23.55 8,5006
2020 2020-05-26 12.32 2,4506
2021 2021-05-02 16.71 4,0406
2022 2021-10-14 30.48 20,4006
2023 2023-04-21 8.10 1,1506
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.