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  (Source: NOAA)
The first seven months of 2012 (January to July) were also the warmest of any on record since 1895

National Oceanic and Atmospheric Administration (NOAA) scientists have found that July 2012 was the hottest month in the history of U.S. climate records.
 
The NOAA's National Climatic Data Center reported that the average temperature for the contiguous U.S. during the month of July 2012 was 77.6 degrees Fahrenheit, which is about 3.3 degrees higher than the 20th century average. This means that this was both the hottest July and hottest month in the history of U.S. climate record-keeping, which began in 1895. 
 
According to the report, the warm July temperatures occurred mainly throughout the Midwest, the Plains and the Eastern Seaboard. In July 2012, Virginia experienced its hottest July ever while seven states recorded the month as their second hottest July and another 32 states had it land in their top 10 hottest Julys. 
 
The last warmest July was July 1936, which experienced an average U.S. temperature of 77.4 degrees Fahrenheit. 
 
July 2012 affected agriculture poorly, with the contiguous U.S. average of precipitation at 2.57 inches, which is 0.19 inch below average. The May to July period was the second warmest in history and the 12th driest. 
 
The first seven months of 2012 (January to July) were the warmest of any on record since 1895. The national temperature was 56.4 degrees Fahrenheit, which is 4.3 degrees above the long-term average. The first seven months were ranked the 15th driest January-July period too.
 
The year to date (August 2011-July 2012) was the warmest year on record with the nationally averaged temperature at 56.1 degrees Fahrenheit (3.3 degrees above the long-term average). The last record was broken during the July 2011-June 2012 period. 

Source: Science Daily



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RE: *grabs popcorn
By chromal on 8/9/2012 3:44:38 PM , Rating: 1
God knows, the old air-port based METAR reporting system had its flaws, but maybe the new system doesn't sample in locales that were as hot. Still, I'm curious if the new network of stations recorded (for it) record temperatures this July, or not. The specific number isn't important.


RE: *grabs popcorn
By geddarkstorm on 8/9/2012 4:01:18 PM , Rating: 2
The last link I gave goes to the corrected data, so you can take a look yourself, if you are up to it.

Just browsing through and doing a peek at Stillwater, OK, shows last year's July was hotter by about 1-2 C; and OK was one of the heavily affected regions this summer. Charlottesville, VA shows that this July average was exactly the same (25.7 C) as last year's, and VA supposedly has the greatest anomaly for this past July; according to the NOAA chart.

That's just two stations though, so if you want a clear picture, gotta do all the stations for all their monthlies (ignoring Alaska and Hawaii, as this is continental US only).


RE: *grabs popcorn
By chromal on 8/9/2012 4:05:34 PM , Rating: 2
Nah, NOAA does pretty good work. I'll just take their word for it. :) FWIW, I set a record temperature on my little home weather station, but my records only go back to 2008. ;) 84'F at my home, located at 8700ft elevation, West of Denver, CO.


RE: *grabs popcorn
By Spuke on 8/9/2012 4:39:56 PM , Rating: 2
quote:
I set a record temperature on my little home weather station
Same here. It was 112F/44C, 2500 ft elevation. My records only go back to 2010 though. :)


RE: *grabs popcorn
By wookie1 on 8/9/2012 7:49:43 PM , Rating: 2
Don't worry, most people are willing to just take the news headline from the "experts". Fortunately, a few dig into the reports to find out more details, and it certainly isn't clear that it was the warmest July. IT turns out that the temperature in 1936 depends on when you look at the temperature record. A few years ago, 1936 was hotter than it is now (at least in NOAA's adjusted data). I recommend reading wattsupwiththat.com to get more info, whether you agree with it or not there is a good amount of background information.


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