- A springtime heat wave resulted in the warmest March since record keeping began.
- Wisconsin and 24 other states experienced the warmest March on record.
- In March, three Michigan high temperature records were beaten by a margin of 32°F.
- On March 20, some 700 records were tied or broken--the most on a single day in 2012. It was 89°F in Columbia, South Carolina, that day.
- The oldest high-temperature record that fell in 2012 was beaten when the mercury hit 87°F at Elko Regional Airport in Nevada on April 22.
- A heat wave from June 23 to July 9 produced 324 all-time records, mostly in the Midwest and Southeast. The hottest among them: 118°F in Norton, Kansas, on June 28.
- July 2012 was the single warmest month on record in the U.S.
- The three hottest days were recorded in Death Valley: 128°F on July 12, and 126°F on August 9 and 10.
- Sidney Municipal Airport in Nebraska logged 59 record highs, the most of any weather station.
By The Numbers: The U.S.'s Warmest Year Yet [Infographic]
A PopSci interactive of the 30,854 record-breaking highs recorded across the country in 2012