From the ABC 7 Weather team

July 2012 Hottest Month in U.S. & 2nd Hottest for D.C.

August 9, 2012 - 05:00 AM
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July 2012 goes down as the hottest month in U.S. history.  D.C. also finished 2nd hottest with some impressive statistics.

The numbers are in!  This July goes in the record books as the hottest month on record in the U.S., since weather records began in 1871.  Not only was it a record breaking month for the country, but also the second hottest month right here in the Nations Capital.  Take a look at the ranks below from NOAA.  Virginia had its warmest July on record with a statewide temperature 4.0° above average.  A total of 32 states had July temperatures among the ten warmest.  Seven states had their second warmest July on record.

NOAA

D.C. ended the month with an average temperature of 84°.  That's only a half degree below last July, which is still the warmest month on record.  Even though July 2012 takes the silver medal for overall temperature, it wins the gold for a few other records.  This July had the most 100° days or higher than any other month (lucky us!).   Seven days got to 100° or higher, which beats July 1930, which had six days at or above 100°.   

Reagan National July 2012

D.C. also wins the gold medal with two daily maximum temperature records and one daily high minimum record.  July 7th got to 105°.  That is the second highest temperature at Reagan National (106° remains the hottest from Aug. 6, 1918 and July 20, 1930).  As for low temperatures, well, they didn't go that low.  In fact, the lowest temperature was 67° during the entire month!  The only other month when the temperature did not drop below 67° was in 2011. 

Now even though July 2012 goes in the weather record book as the second hottest month on record, there is one record outlier that we can't leave out.  How about a daily low maximum temperature?  Yep!  The high on July 21st was 71°.  The high temperature was only 4° above the lowest temperature (67°) for the entire month!  That was the coolest daily maximum temperature in July since July 26, 2002.

Aside from the outlier, there's no argument it was a hot month in D.C. and across the United States.  Here are some other significant events that occurred in July 2012 across the country courtesy of NOAA.  Read NOAA's full climate report here.

NOAA

 

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