USGS Water-Year Summary 2020
321930086470501 PRECIPITATION GAGE AT R.F. HENRY DAM
LOCATION - Lat 32°19'30", long 86°47'05" referenced to North American Datum of 1927, in NW 1/4 sec.32, T.16 N., R.13 E., Autauga County, AL, Hydrologic Unit 03150201, at Robert F. Henry Lock & Dam, 2.0 mi upstream from Big Swamp Creek, 2.5 mi northeast of Benton, 5.0 mi downstream from Ivy Creek, and at river mile 245.4.
INSTRUMENTATION - Tipping-bucket raingage.