It really is an unbelievable record -- the previous record interval between major hurricane strikes on the US coast was six years; 4,301 days is almost double that.
The last major hurricane, Category 3 or stronger, was Wilma on October 24, 2005.
Here is a graphic from Dr. Roger Pielke, Jr. that shows it is a worldwide trend of lessening disasters.
Dr. Pielke correctly points out that we will -- eventually -- revert to the mean which equals more frequent and intense disasters. As he asks, "Are we ready?"