Grand Forks, N.D.
|Mar. 17, 2012||70||36|
|Mar. 17, 2013||20||-23|
|Difference||50 degrees||59 degrees|
Exactly a year after a record high of 70 degrees, Grand Forks plummeted to a record low of 23 below zero on March 17, 2013, a swing of 93 degrees.
By March 18 this year, Grand Forks had a foot of snow on the ground and near-blizzard conditions; a year earlier, the high was a record-warm 74.