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Some Outstanding Temperature Falls

Updated February 11, 2017 | Infoplease Staff

In 24 hours: 100F, Browing, Mont., Jan. 23?24, 1916, from 44F to ?56F.

In 12 hours: 84F, Fairfield, Mont., Dec. 24, 1924, from 63F at noon to ?21F at midnight.

In 2 hours: 62F, Rapid City, S.D., Jan. 12, 1911, from 49F at 6:00 A.M. to ?13F at 8:00 A.M.

In 27 minutes: 58F, Spearfish, S.D., Jan. 22, 1943, from 54F at 9:00 A.M. to ?4F at 9:27 A.M.

In 15 minutes: 47F, Rapid City, S.D., Jan. 10, 1911, from 55F at 7:00 A.M. to 8F at 7:15 A.M.


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