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USGS Surface-Water Annual Statistics for the Nation
The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.
Llano County, Texas Hydrologic Unit Code 12090204
Latitude 30°45'04", Longitude 98°40'10"
NAD27
Drainage area 4,197 square miles Contributing drainage area 4,192 square miles Gage datum 970.08 feet above NAVD88 |
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| Calendar Year | 00060, Discharge, cubic feet per second | ||||
|---|---|---|---|---|---|
| 1940 | 346.3 | ||||
| 1941 | 495.3 | ||||
| 1942 | 344.3 | ||||
| 1943 | 253.5 | ||||
| 1944 | 271.5 | ||||
| 1945 | 201.8 | ||||
| 1946 | 206.3 | ||||
| 1947 | 175.9 | ||||
| 1948 | 460.7 | ||||
| 1949 | 275.2 | ||||
| 1950 | 135.9 | ||||
| 1951 | 65.2 | ||||
| 1952 | 429.4 | ||||
| 1953 | 117.7 | ||||
| 1954 | 44.8 | ||||
| 1955 | 322.5 | ||||
| 1956 | 37.9 | ||||
| 1957 | 1,025 | ||||
| 1958 | 560.1 | ||||
| 1959 | 409.8 | ||||
| 1960 | 438.8 | ||||
| 1961 | 583.1 | ||||
| 1962 | 118.9 | ||||
| 1963 | 94.1 | ||||
| 1964 | 408.7 | ||||
| 1965 | 304.8 | ||||
| 1966 | 248.4 | ||||
| 1967 | 129.4 | ||||
| 1968 | 639.3 | ||||
| 1969 | 524.2 | ||||
| 1970 | 441.3 | ||||
| 1971 | 499.1 | ||||
| 1972 | 236.3 | ||||
| 1973 | 546.8 | ||||
| 1974 | 777.9 | ||||
| 1975 | 566.7 | ||||
| 1976 | 343.6 | ||||
| 1977 | 560.5 | ||||
| 1978 | 365.8 | ||||
| 1979 | 288.4 | ||||
| 1980 | 454.3 | ||||
| 1981 | 679.1 | ||||
| 1982 | 176.4 | ||||
| 1983 | 151.4 | ||||
| 1984 | 208.4 | ||||
| 1985 | 407.2 | ||||
| 1986 | 432.1 | ||||
| 1987 | 659.9 | ||||
| 1988 | 348 | ||||
| 1989 | 203 | ||||
| 1990 | 503.2 | ||||
| 1991 | 463.7 | ||||
| 1992 | 869.4 | ||||
| 1993 | 225.7 | ||||
| 1994 | 221.6 | ||||
| 1995 | 231 | ||||
| 1996 | 453.3 | ||||
| 1997 | 1,061 | ||||
| 1998 | 340.1 | ||||
| 1999 | 206.9 | ||||
| 2000 | 856.5 | ||||
| 2001 | 476.3 | ||||
| 2002 | 255.2 | ||||
| 2003 | 195.5 | ||||
| 2004 | 546 | ||||
| 2005 | 247.2 | ||||
| 2006 | 120.9 | ||||
| 2007 | 885.4 | ||||
| 2008 | 143.2 | ||||
| 2009 | 175.2 | ||||
| 2010 | 376.1 | ||||
| 2011 | 66.8 | ||||
| 2012 | 139.2 | ||||
| 2013 | 110.4 | ||||
| 2014 | 82.5 | ||||
| 2015 | 267.5 | ||||
| 2016 | 367.4 | ||||
| 2017 | 149 | ||||
| 2018 | 1,124 | ||||
| 2019 | 199.8 | ||||
| 2020 | 176.1 | ||||
| 2021 | 123.5 | ||||
| 2022 | 74.6 | ||||
| 2023 | 148.6 | ||||
** No Incomplete data have been used for statistical calculation | |||||
U.S. Department of the Interior |
U.S. Geological Survey
Title: Surface Water data for USA: USGS Surface-Water Annual Statistics
URL:
Page Contact Information: Texas Water Data Support Team
Page Last Modified: 2024-05-10 08:39:12 EDT
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