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Peak Streamflow for the Nation

USGS 08173500 San Marcos Rv at Ottine, TX

Gonzales County, Texas
Hydrologic Unit Code 12100203
Latitude  29°35'33.39", Longitude  97°35'17.12" NAD83
Drainage area 1,249  square miles
Contributing drainage area 1,249  square miles
Gage datum 285.20 feet above NGVD29
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Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
1916 1916-04-02 23.10 5,840
1917 1917-05-07 26.50 8,460
1918 1918-04-06 29.50 11,800
1919 1919-07-23 34.60 21,300
1920 1920-05-16 37.50 45,600
1921 1921-04-08 35.50 26,100
1922 1922-04-04 37.00 37,000
1923 1923-02-22 33.30 18,800
1924 1924-02-18 30.00 12,900
1925 1925-04-29 9.50 1,480
1926 1926-04-21 40.60 125,000
1927 1927-04-14 19.82 4,280
1928 1928-02-22 32.14 16,000
1929 1929-05-29 43.32 202,000
1930 1930-06-17 25.65 7,980
1931 1931-01-12 24.62 7,150
1932 1932-01-06 25.82 8,160
1933 1933-07-31 22.72 5,820
1934 1934-03-03 18.80 3,840
1935 1935-06-17 31.26 14,000
1936 1936-07-01 42.05 165,000
1937 1937-06-05 32.26 13,700
1938 1938-04-26 33.50 16,800
1939 1939-07-13 13.87 2,350
1940 1940-07-30 34.38 20,000
1941 1941-04-28 33.42 17,400
1942 1942-07-06 38.72 72,200
1943 1942-10-19 22.65 5,210