Steve Awalt writes from Baltimore seeking weather data for a thunderstorm on the Magothy River May 27. "The worst conditions I have ever experienced. I later read where a boater was lost for a short time," he said. Emergency crews searched overnight for the boater whose day sailor capsized. He turned up safe ashore. Anyone can find hour-by-hour weather data from 16 stations at MarylandWeather.com. Look in the bottom left corner of the main page for "Archived Daily Weather Data." Some BWI numbers go back to 1949.