Some Outstanding Temperature Rises
In 12 hours: 83F, Granville, N.D., Feb. 21, 1918, from ?33F to 50F from early morning to late afternoon.
In 15 minutes: 42F, Fort Assiniboine, Mont., Jan. 19, 1892, from ?5F to 37F.
In seven minutes: 34F, Kipp, Mont., Dec. 1, 1896. The observer also reported that a total rise of 80F occurred in a few hours and that 30 in. of snow disappeared in half a day.
In two minutes: 49F, Spearfish, S.D., Jan. 22, 1943, from ?4F at 7:30 A.M. to 45F at 7:32 A.M.
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