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Scientific Investigations Report 2010–5115

Prepared as part of the
U.S. Geological Survey Cooperative Water Program and the
National Streamflow Information Program

Hydrologic Conditions in Florida during Water Year 2008

By Richard J. Verdi, Sandra L. Holt, Ronald B. Irvin, and David L. Fulcher

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Record-high and record-low hydrologic conditions occurred during water year 2008 (October 1, 2007-September 30, 2008). Record-low levels were caused by a continuation of the 2007 water year drought conditions into the 2008 water year and persisting until summer rainfall. The gage at the Santa Fe River near Fort White site recorded record-low monthly mean discharges in October and November 2007. The previous records for this site were set in 1956 and 2002, respectively. Record-high conditions in northeast and northwest Florida were caused by the rainfall and runoff associated with Tropical Storm Fay. For example, St. Mary's River near Macclenny recorded a new record-high monthly mean discharge in August 2008. The previous record for this site was set in 1945. Lake Okeechobee in south Florida reached new minimum monthly mean lake levels since monitoring began in 1912 from October to March during the 2008 water year. Some wells throughout northwest and south Florida registered period-of-record lowest daily maximum water levels.

Revised, September 7, 2010

First posted July 22, 2010

For additional information contact:
Richard Verdi
U.S Geological Survey
Suite A200
2639 North Monroe St.
Tallahassee, FL 32303

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Suggested citation:

Verdi, R.J., Holt, S.L., Irvin, R.B., and Fulcher, D.L., 2010, Hydrologic conditions in Florida during Water Year 2008: U.S. Geological Survey Scientific Investigations Report 2010–5115, 52 p.




Funding for Data Collection in Florida

Hydrologic Conditions in Florida


Surface Water

Northwest Florida

Northeast Florida

Southwest Florida

South Florida

Lake Elevations

Northwest Florida

Northeast Florida

Southwest Florida

South Florida


Northwest Florida

Northeast Florida

Southwest Florida

South Florida


Selected References

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