Gotta love when flow charts on the same discharge doesn't match:
TVA Site http://www.tva.gov/lakes/cnh_r.htm
Day..............Time.........Res Elevation.........TW Elevation........Avg Flow
8/14/2013..... 6 pm............632.44...............478.90......... .......1,750
Corps Site http://www-wm.lrn.usace.army.mil/hh/resplots/cen_a.html
Time.....Date...........Goes HW......Stage HW....Goes TW....Turbine.....Gate......Total
1800....14AUG2013....632.47........632.40........4 79.00........0............250.....250