-Philip Fairey and Danny Parker. A review of hot water draw profiles used in performance analysis of
residential domestic hot water systems. Technical Report FSEC-RR-56-04, Florida Solar Energy Center,
2004.
-R. Hendron, R. Anderson, C. Christensen, M. Eastment, and P. Reeves. Development of an energy sav-
ings benchmark for all residential end-uses. Technical Report NREL/CP-550-35917, National Renewable
Energy Laboratory, 2004.
-WaterSense. Indoor water use in the united states. Technical Report EPA-832-F-06-004, U.S. Environmental Protection Agency, 2008.
Also just check the ASHRAE handbooks, there is some info in there also.