Despite the low number of tornadoes three people were killed in the southeast from separate tornadoes during the month.
These systems can have the tendency to produce many, and very separate tornadoes, called tornado families, existing either at the same time or in succession.
The supercell killed at least 13 people including 11 in Greensburg and two from separate tornadoes.
A separate tornado (rated F4) killed three more people in Oklahoma on this day.
The base was struck by two separate tornadoes in March 1948.
This final section of the path is plotted as a skipping tornado, but may have been three or more separate tornadoes.
He said Florida, which was mauled by about 50 separate tornadoes, was the only state so far to request federal disaster assistance.
In the early morning hours of February 2, four separate tornadoes ran across Central Florida.
On May 20, five were killed in Texas from five separate tornadoes.
Three more people were killed in separate tornadoes in Wisconsin on July 15th.