Gauges


All Time Records Since Dec 2007


Fastest Cooling
24 hour chill: 100 degrees. From 44 to -54 below zero in Browning, Montana on January 23-24, 1916. 12 hour chill: 84 degrees. From 63 to -21 below zero in Fairfield, Montana on December 24, 1924. 2 hour chill: 62 degrees. From 49 at 6:00am to -13 at 8:00am in Rapid City, South Dakota on January 10, 1911 15 minute chill: 47 degrees. From 55 at 7:00am to 8 at 7:15am in Rapid City, South Dakota on January 10, 1911.