May 2011, brought the Joplin tornado. We were told at the time that was the new normal.
No Tornado Deaths in May 2012
Jun 7th, 2012 | By Harold Brooks | Category: U.S. Severe Weather Blog In May 2012, there were no tornado deaths in the United States. How unusual was that? We can look at the record of tornado deaths, discussed here, dating back to 1875. The last time there were no deaths in the month of May was in 2005. Prior to that, it was 1994. Overall, there have been 15 years in the 138 years of the record (1875-2012) with no deaths in the month of May, so we’d expect that to happen about once every decade.
March 2012 was one of the warmest on record in Chicago. We were told at the time that was the new normal.