January 10, 1859
Coldest daylight hours so far recorded: Burlingtons mean of -27.4° was 4° colder than Jan. 23, 1857, and 8° colder than Feb. 5, 1855.
NOTE: Ludlum's -27.4° mean for Burlington derives from historical records that go back further than the official National Weather Service temperature records, which began in 1884.