<page_title> List of Regional Snowfall Index Category 5 winter storms </page_title> <section_title> List of Category 5 events </section_title> <table> <cell> 1978 <col_header> Year </col_header> </cell> <cell> 39.07 <col_header> Max. RSI </col_header> </cell> </table>
The highest ranking Regional Snowfall Index Category 5 winter storm on the list scored a value of 39.07 in 1978.