Median rental price jumped 6.5% to $3,195 from the same period last year, but was unchanged from the prior month. The average year-over-year increase in median rental price has been rising since the beginning of 2013 averaging 5.1% year to date. The average rate of rental price growth is consistent with the 2012 average rate of 5.3%. The year-over-year increase in median rental price across all size categories was remarkably consistent in April…