 through the March through May period from the same year ago, while the June numbers point to another down month as well. On Wall Street, the Dow was down 31 points today. You're listening to NPR. This is KNPR News. I'm Dave Becker. As Las Vegas sweltered in temperatures reaching 120 yesterday, a visitor to Death Valley National Park died from heat exposure, and another person was hospitalized as the temperature there reached 128 this weekend.