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Peak Streamflow for Texas

USGS 08173500 San Marcos Rv at Ottine, TX

Gonzales County, Texas
Hydrologic Unit Code 12100203
Latitude  2935'36", Longitude  9735'22" NAD27
Drainage area 1,249  square miles
Contributing drainage area 1,249  square miles
Gage datum 285.20 feet above sea level NGVD29
Water
Year
Date Gage
Height
(feet)
Stream-
flow
(cfs)
1916 Apr. 2, 1916 23.10 5,840
1917 May 7, 1917 26.50 8,460
1918 Apr. 6, 1918 29.50 11,800
1919 Jul. 23, 1919 34.60 21,300
1920 May 16, 1920 37.50 45,600
1921 Apr. 8, 1921 35.50 26,100
1922 Apr. 4, 1922 37.00 37,000
1923 Feb. 22, 1923 33.30 18,800
1924 Feb. 18, 1924 30.00 12,900
1925 Apr. 29, 1925 9.50 1,480
1926 Apr. 21, 1926 40.60 125,000
1927 Apr. 14, 1927 19.82 4,280
1928 Feb. 22, 1928 32.14 16,000
1929 May 29, 1929 43.32 202,000
Water
Year
Date Gage
Height
(feet)
Stream-
flow
(cfs)
1930 Jun. 17, 1930 25.65 7,980
1931 Jan. 12, 1931 24.62 7,150
1932 Jan. 6, 1932 25.82 8,160
1933 Jul. 31, 1933 22.72 5,820
1934 Mar. 3, 1934 18.80 3,840
1935 Jun. 17, 1935 31.26 14,000
1936 Jul. 1, 1936 42.05 165,000
1937 Jun. 5, 1937 32.26 13,700
1938 Apr. 26, 1938 33.50 16,800
1939 Jul. 13, 1939 13.87 2,350
1940 Jul. 30, 1940 34.38 20,000
1941 Apr. 28, 1941 33.42 17,400
1942 Jul. 6, 1942 38.72 72,200
1943 Oct. 19, 1942 22.65 5,210