· 1861-Feb7
A dramatic drop in temperature took place in the northeastern U.S. The temperature at Gouverneur, New York plunged 70 degrees in one day, from 30 degrees above zero to 40 degrees below zero. Hanover, New Hampshire plummeted 69 degrees in 18 hours, from 37 degrees at 1 pm on the 7th to 32 degrees below zero at 7 am on the 8th. West Cummingham, Massachusetts dropped 80 degrees, from 48 degrees to 32 degrees below zero, and Boston, Massachusetts plunged 60 degrees, from 46 degrees to 14 degrees below zero.
