In 1888 - Residents of New York suffered through a record heat wave. Daily average temperatures were above 80 degrees for fourteen straight days. The heat wave was a sharp contrast to the severe blizzard in March of that year, which buried the city under nearly two feet of snow.
In 1977 - The Human Lightning Conductor, park ranger Roy C. Sullivan, was struck by lightning for the seventh time. He was first hit in 1942, then again in 1970, 1972, 1973 and 1976.
In 1985 - A spectacular early morning waterspout developed at 5:20 AM (MST) from a stationary thunderstorm over the south end of the Great Salt Lake in Utah. It was visible 20 miles away, and lasted four minutes.