<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 winter storm on the Regional Snowfall Index has a maximum value of 39.07 (1978), and is one of the twenty-six storms to rank as a Category 5 on the scale.