USGS Water-Year Summary 2024
0357587728 DALLAS BRANCH AT HUNTSVILLE, AL
LOCATION - Lat 34°44'44", long 86°34'27" referenced to North American Datum of 1927, Madison County, AL, Hydrologic Unit 06030002, at culvert on Coleman Street, two blocks upstream from Andrew Jackson Way, 2 mi north of Governor's Drive.
DRAINAGE AREA - 2.99 mi².
REVISIONS HISTORY - WDR AL-96-1 : Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - September 1984 to current year (flood-hydrograph only).
GAGE - Flood-hydrograph station consisting of permanent-record rainfall, continuous-record stage, peak discharges above base gage-height of 1.00 ft. Datum of gage is 639.86 ft above NAVD of 1988, (Reference Frame NAD_83 (2011) (EPOCH:2010.0000) GEOID18). Prior to December 11, 2023, the datum of gage was 639.64 ft NGVD29.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 6,200 ft³/s, May 6, 2003, gage height, 9.58 ft.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - October 1984 to current year.
INSTRUMENTATION - Tipping bucket precipitation gage (permanent-record rainfall) and data logger.