The Colorado floods took eight lives and did $2 billion in damages.
The Big Thompson River experienced peak flow rates near Loveland, CO of 4,500 CFS (CFS - Cubic Feet per Second) or (127.43 cubic meters per second) before the measuring gauge was destroyed by floodwaters.
September 13, 2013
...JUDY WOODRUFF: Thousands of people in Colorado (click here) faced a flooded landscape today, after days of heavy rain that triggered flash floods. The casualty count stood at three dead and 17 others still unaccounted for.