Washington, DC Temperature Update

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July 16 Update: An under-forecast high of 96° today has helped push the monthly average to 75.2°, well out of the top 10 coolest Julys.

Original post:
After starting out exceptionally cool, July 2009 remains cooler than average at the middle of the month in Washington, DC. So far, only 1 day has been above average. That was also the only day to have reached 90°, compared to a long-term monthly average of 13.8. As temperatures have moved higher, however, this month's place in the top 10 coolest Julys is becoming increasingly precarious. Only a 0.2° increase in the current average of 74.6° will push 2009 past 2000 into 11th place.

Images (click to enlarge): Washington, DC July 2009 month-to-date average temperature vs. monthly normal and records (CapitalClimate chart from National Weather Service data) and U.S. month-to-date average temperature and departure from normal (Climate Prediction Center/NOAA)