For the United States, the extremes are 134F in Death Valley, California in 1913 and -79.8F 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 -54to .
The most dramatic temperature changes occur in North American climates susceptible to Chinook winds. For example, the largest 2-minute temperature change of 49F-change occurred in Spearfish, South Dakota, a rise from -4to.
Among the U.S. states, Hawaii has both the lowest state maximum of 98F and the highest state minimum of 12F. Tropical ocean island locations such as Hawaii often have the lowest recorded temperature ranges, sometimes with a difference of as little as 62F-change.