...1899... A tornado, rated F4, killed 12 people and injured 30 on a 17 mile track through Calhoun and Cleburne counties in Alabama.
...1914... San Francisco, California reached their highest temperature ever recorded in March. The mercury rose to 86 degrees.
...1916... The low temperature fell to 7 degrees, breaking the record of 12 degrees set in 1900.
...1925... The great "Tri-State Tornado" occurred, the most deadly tornado in U.S. history. The tornado claimed 695 lives (including 234 at Murphysboro IL and 148 at West Frankfort IL), and caused seventeen million dollars property damage. It cut a swath of destruction 219 miles long and as much as a mile wide from east central Missouri to southern Indiana between 1 PM and 4 PM. The tornado leveled a school in West Frankfort IL, and picked up sixteen students setting them down unharmed 150 yards away. Seven other tornadoes claimed an additional 97 lives that day.
...1949... 4.5 inches of snow fell at Newport, Rhode Island, breaking the record of a trace of snow set back in 1941.
...1968... It was raining cat and dogs at Newport, Rhode Island when 4.26 inches of rain fell (3rd highest daily rain for March), breaking the record of 1.74 inches set in 1936. Of the 4.26 inches of rain, .67 fell in one hour, breaking that record of .10 inches set in 1963.
...1971... High winds accompanied a low pressure system from the Rocky Mountains to the Great Lakes. Winds gusted to 100 mph at Hastings NE, and reached 115 mph at Hays KS. High winds caused two million dollars damage in Kansas. Fire burned 50,000 forest acres in eastern Oklahoma. (17th-19th)
...1973... The barometric pressure dropped to 28.91 inches at Newport, Rhode Island, breaking the record of 29.13 inches set in 1928.
...1987... A storm in the central U.S. produced up to 10 inches of snow in western Nebraska, and up to six inches of rain in eastern sections of the state. The heavy rains pushed the Elkhorn River out of its banks, submerging the streets of Inman under three feet of water.
...1988... Light rain and snow prevailed east of the Mississippi River. Fair weather prevailed west of the Mississippi.
...1989... A storm in the western U.S. produced heavy rain in California, with heavy snow in the Sierra Nevada Range. Venado CA was drenched with 5.40 inches of rain in 24 hours. A dozen cities in the eastern U.S. reported new record high temperatures for the date, including Baltimore MD with a reading of 82 degrees.
...1990... Heavy rain caused extensive flooding of rivers and streams in Georgia, with total damage running well into the millions. Flooding also claimed six lives. Nearly seven inches of rain caused 2.5 million dollars damage around Columbus, and up to nine inches of rain was reported over the northern Kinchafoonee Basin in Georgia.
...2005... Heavy snow occurred in the Upper Midwest. 24 inches was recorded at Lyle, Minnesota, 23 inches at Alma Center, Wisconsin, and 19 inches at Otranto, Iowa. Rochester Minnesota was buried under 20.2 inches of snow for its greatest snowstorm on record.
...2011... At Newport, Rhode Island the temperature rose to 68 degrees, breaking the previous record of 66 degrees set in 1999.