Graphical Representation of Results in InfoSWWM and H2OMap SWMM
If you are graphing from the attribute browser you are restricted to 24 hours.
If you are using the report manager then you select the graphing by changing the From and To dates. I hope this helps.
via Blogger http://www.swmm5.net/2013/07/graphical-representation-of-results-in.html