For the first time in a year, boat dealers saw same-store sales decline year-over-year, according to a report at boatingindustry.com. Overall same-store sales dropped 1.5 percent in January 2015 from January 2014, according to a report from CDK Global Recreation. It was the second year in a row that the report, based on data from users of CDK’s Lightspeed DMS, showed a January decline.