Almost double previous record
The region began digging out yesterday from a blizzard that closed schools, canceled events and broke records.
The storm dumped 7 inches of snow on Yankton, a new record for March 6. The previous record of 4.2 inches was set in 1919.
Via https://www.yankton.net/community/article_97a9b660-21bf-11e8-abc7-27b2c7009be7.html