Two fatalities occurred at the time of tornadic activity on June 21 and June 24, but neither has yet been officially confirmed as tornado-related. (See here and here.) For conservatism we put fatalities through June 24 at 43, the official NWS total:
Source: Storm Prediction Center (National Weather Service; 2013 tally of 43 here) AnalysisWire Research
Note: Prior Years refers to the years 1950 – 2012, the years of the most accurate tornado data. Tornado statistics are in beta and are subject to change.