July 2012 marked hottest month on record for contiguous U.S.; Drought expands to cover nearly 63 percent of the Lower 48

Wednesday, August 8, 2012 - 11:02 in Earth & Climate

According to NOAA scientists, the average temperature for the contiguous U.S. during July was 77.6°F, 3.3°F above the 20th century average, marking the hottest July and the hottest month on record for the nation. The previous warmest July for the nation was July 1936 when the average U.S. temperature was 77.4°F. The warm July temperatures contributed to a record-warm first seven months of the year and the warmest 12-month period the nation has experienced since recordkeeping began in 1895.

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