by Jeff Masters, Wunderblog, September 9, 2010
The U.S. had its fourth warmest summer since record keeping began 116 years ago, according to statistics issued yesterday by the National Climatic Data Center. Only 1936, 2006 and 1934 were hotter. Ten states had their warmest summer on record -- Rhode Island, New Jersey, Delaware, Maryland, Virginia, North Carolina, Tennessee, South Carolina, Georgia and Alabama. Seventeen other states had a top-ten warmest summer, including five states that had their second warmest summer in history (Figure 4). No states had a top-ten coldest summer. Record daily highs outpaced record daily lows by about 4 to 1 during the summer, with 5,287 daily record highs set, and 1,426 record lows. The summer warmth was a pretty remarkable swing from this past winter, which was the 18th coldest in U.S. history.
Figure 4. State-by-state temperature rankings for the summer of 2010. Image credit: National Climatic Data Center.
According to Chris Burt, author of Extreme Weather, approximately 50-60 million Americans experienced their hottest summer ever. No summer in U.S. history has affected so many Americans as the "hottest-summer-on-record." The following large cities all posted a record hottest summer:
Washington D.C.National Airport: 81.3° (old record 80.0° summer of 1943)
Dulles Airport, VA: 77.8° (old record 76.8° summer of 2007)
Richmond, VA: 81.3° (old record 80.0° summer of 1994)
Atlantic City, NJ: 77.5° (old record 75.8° summer of 2005)
Philadelphia, PA: 79.6° (old record 78.9° summer of 1995)
New York City (Central Park): 77.8° (old record 77.3° summer of 1966)
Trenton, NJ: 77.7° (old record 76.5° summer of 1898)
Wilmington, DE: 77.8° (old record 77.7° summer of 1900)
Baltimore, MD: 79.2° (old record 79.1° summer of 1943)
Norfolk, VA: 81.1° (old record 80.0° summer of 1994)
Tampa, FL: 84.5° (previous record 84.2° in 1998)
Lakeland, FL: 84.6° (previous record 84.4° in 1987)
St. Petersburg, FL: 85.6° (old record 84.6° in 1987)
Santa Barbara, CA, was the only major U.S. city that had its coldest summer on record, though several other California cities were unusually cool. San Diego had its 3rd coolest summer, and the Los Angeles airport had its 2nd coolest summer.
Fortunately, it was a very wet summer, and the record heat did not lead to widespread drought. Summer 2010 ranked as the 16th wettest summer in the 116-year record for the contiguous U.S. Wisconsin had its wettest summer on record, and six other states had a top-ten wettest summer. No state had a top-ten driest summer.
Link: http://www.wunderground.com/blog/JeffMasters/comment.html?entrynum=1613
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