From Kirk Mellish's Blog: (http://www.wsbradio.com/weblogs/kirk-mellishs-weather-commentary/2013/jun/28/its-been-so-cool-atlanta-not-really/)
Summer starts June 1st for weather and climate scientists. Some are thinking its a cool summer already, but we've just reverted to normal after a string of scorchers-- so it just seems cool, its really running normal so far, as did the spring-- for the most part. The details:
Rainfall for the year is over 13 inches above normal. JUNE rainfall is around 200% higher than average at about 6 inches above normal. Lake Allatoona and Lanier are at their highest levels in 5 years for summer.
JUNE temperatures so far average +0.2 F barely above-normal. The Spring was just slightly cooler than normal but much wetter than normal. THE FIRST 90 was 13 days later than normal (June 1st) but we missed it being two weeks earlier than normal by just one degree.
This month we've had 3 days of 90, last JUNE we had 7 days in the low 90s by now. And last year June ended with highs around 105. And last MAY we had 4 days in the 90s... this MAY we had none!
However, the summers of 2010, 11, and 2012 were all the top 3 hottest summers on record surpassed only by 1980 and 1993. 2007 was very hot, in fact most summers in this decade have been warmer than the 30 year normal. The year 2011 had the most days of 90 or above at 89 for spring and summer combined. (the year 1980 had 90 days of 90 or higher for the calendar year and 1980 recorded the earliest 90 reading)
A TYPICAL SUMMER IN ATLANTA will produce 37 days with a high of 90 or above, and NINE days of 95 or higher. Most summers in Atlanta do not produce triple digit readings, those temps are historically rare for us. (records go back to 1879)
The most recent summer to fail to produce a reading of 95 or higher was 2005. The FEWEST number of 90 degree days belongs to 1967, when we hit 90 just twice.
MARCH was 5 degrees cooler than normal with average rain.
APRIL temps were a tad above average and rainfall was 3 inches on the plus side.
MAY was 2 degrees cooler than average and rain was an inch above normal.
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