What goes down must come up. With that said, revenue-per-available-room growth was up,driven equally by increases in average -daily -rate and occupancy growth. April’s RevPAR increase was the best this year and the best since last October, but there are doubts that this marks the reversal of recent weak performance, according to STR’s SVP of lodging insights Jan Freitag. Here are five things you need to know about April’s U.S. performance data. (STR is the parent company of Hotel News Now.)