1784: Ice floes were spotted in the Gulf of Mexico after passing out of the Mississippi River in February 1784. Ice blocked the river at New Orleans, Louisiana. The ice in New Orleans is one of two times that this occurred, the other during the Great Arctic Outbreak of 1899. The eruption of Laki in Iceland from June 8, 1783, through February 7, 1784, is the likely cause for the severe winter of 1783 to 1784.
Source: The Ultimate History Project.
1899: More from the bitter cold outbreak of 1899. Texas and the Eastern Plains experienced their coldest morning of modern record. The mercury dipped to 8 degrees below zero at Fort Worth, Texas and 22 degrees below zero at Kansas City, Missouri. The temperature at Camp Clarke, Nebraska plunged to 47 degrees below zero to establish a record for the state. The all-time record low for Oklahoma City was set. The mercury fell to a frigid 17 degrees below zero and broke the previous record low of 12 below zero, which was set on the previous day. In the eastern U.S., Washington D.C. hit 15 degrees below zero, while Charleston SC received a record four inches of snow. Snow was reported in Fort Myers, Tampa, and Tallahassee in Florida.
1958: Snow blanketed northern Florida, with Tallahassee reporting a record 2.8 inches. A ship in the Gulf of Mexico, 25 miles south of Fort Morgan Alabama, reported zero visibility in heavy snow on the afternoon of the 12th.
— NWS Sacramento (@NWSSacramento) February 13, 2017