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A couple of thunderstorms
Sunny and delightful
of sunlight, then sets at
of moolight, then sets at
Just when it was starting to feel like the dog days of summer again, another push of cool air is taking aim on the Washington, D.C., area. more >
Sep 20, 2011; 5:00 AM ET
Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?