United States temperature extremes
For the United States, the extremes are in Death Valley, California in 1913 and recorded in Prospect Creek, Alaska in 1971.
The largest recorded temperature change in one place over a 24-hour period occurred on January 15, 1972 in Loma, Montana, when the temperature rose from .
The most dramatic temperature changes occur in North American climates susceptible to Chinook winds. For example, the largest 2-minute temperature change of occurred in Spearfish, South Dakota, a rise from.