Boise sets TWO snowfall records. This morning, the National Weather Service measured a record 15 inches of snow on the ground at the Boise Airport. That breaks the record for total snowfall sitting on the ground, on any day of the year, in any year. The previous snow-depth record of 13 inches was set on December 30, 1983 and again December 2, 1985. Second record more than doubles previous record Yesterday, Boise received 6.5 inches of new snow, the most snow ever recorded on January 4th and more than double the previous record of 3.2 inches set in 1951.