July 2012: hottest month on record for contiguous United States
Drought expands to cover nearly 63% of the Lower 48; wildfires consume 2 million acres
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.
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