August 19, 2010

NOAA: July Hotter and Wetter than Normal in U.S.

The July 2010 average temperature for the contiguous United States was 75.5 degrees F, or 1.3 degrees F, (17th warmest) above the 1901-2000 long-term average, according to the latest NOAA State of the Climate report. Last month’s average precipitation was 3.24 inches, or 0.48 inch above the 1901-2000 average.

Based on records dating back to 1895, this monthly analysis, prepared by scientists at NOAA’s National Climatic Data Center in Asheville, N.C., is part of the suite of climate services NOAA provides.

U.S. Temperature Highlights: July 2010

The intense heat either tied, or shattered, July monthly temperature records in several East Coast cities. Washington D.C. recorded an average temperature of 83.1 degrees F, which tied with July 1993 as the warmest for any calendar month on record. Other July monthly temperature records were broken, or tied, in Atlantic City, N.J. and Hartford, Conn.

It was the hottest July on record for Delaware and Rhode Island. Along the East Coast, each state from Maine to Florida ranked in their top 10 warmest. Only Montana, Idaho, and Texas had below-normal average temperatures for the month.

The Southeast and Northeast climate regions experienced their third and fifth warmest July on record, respectively. Of the nine climate regions within the contiguous U.S., none experienced a below normal average temperature.

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