It was a warm and wet winter (Meteorological winter: December - February) across the United States. A strong El Nino fueled that, bringing the average temperature during the time 4.6° above the 20th century average, which is a new record according to NOAA. Winter precip for the contiguous U.S. was also up, 1.26 inches above the 20th century average, making it the 12th wettest winter on record.
For February the average temperatures were 5.7° above the average for
the U.S, making it the 7th warmest. Illinois also ended up warmer, but drier for the month.