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Average Daily Flow Rate for the Guadalupe River

USGS Gage Near Spring Branch

Year

cfs

Year

cfs

Year

cfs

Year

cfs

Year

cfs

1950

79

1960

432

1980

225

1990

295

2000

320

1951

52.4

1961

399

1981

792

1991

636

2001

690

1952

264

1962

83

1982

225

1992

1454

2002

1790

1953

83.5

1963

51

1983

162

1993

278

2003

384

1954

30.6

1964

162

1984

97

1994

257

2004

1448

1955

48

1965

342

1985

683

1995

265

2005

465

1956

11

1966

222

1986

629

1996

168

2006

86

1957

511

1967

140

1987

1319

1997

1086

2007

763

1958

668

1968

472

1988

284

1998

498

1959

339

1969

304

1989

118

1999

170

Red - Less Than 100 cfs
Blue - Less Than 200 cfs
Maroon - Less Than 300 cfs

USGS Data from not available 9/30/99 to present.

This site is maintained by
Stephen C. Grigory, PE
981 Brookside Dr
Spring Branch, Texas 78070

email scgrigory@grigory.com for technical comment or questions
email webmasters@hillcountrywater.org concerning problems with the website.