 Drink plenty of fluids today. Stay in an air-conditioned room. Stay out of the sun. And check up on relatives and neighbors. 521-76 degrees in Dover. Support for NPR comes from this station and from the Lemelson Foundation, working to harness the power of invention and innovation to accelerate climate action and improve lives around the world. Learn more at lemelson.org. From the estate of Joan B. Kroc.