There was a lot of warm weather in 1946, including a stretch from December 1 to December 28, when Harrisburg, Illinois had 14 days above 60F, and no days which didn’t reach the freezing mark.
Cherry trees bloomed record early that year in Washington DC.
Trees - Record - Warmth - November
And the trees bloomed again in record warmth during November.
March 1946 was fourth warmest in the Washington DC area, after 1921, 1945 and 2012.
Years - March - Temperatures
Also note that five of the last seven years have had below average March temperatures.
During March 2017, the New York Times used their favorite phrase...
Wake Up To Breaking News!
Hell sometimes looks an awful lot like an office cubicle.