July-August 2016 had the 6th highest count of 20-yr events for this season since 1901 (13.1% of all 913 available stations), confirming a highly significant (p=99.9%) upward trend of +3.5% per century. Regional totals were highest in the Midwest where a record 27.4% of the stations were flagged in this manner. The Ohio valley was not far behind with 19.3% of its stations, 3rd highest on record. These two regions are also the ones with the most significant (both p=99%) upward trends in this season (4.6% and 2.7% per century, respectively, through 2015).

In the South, flooding rains around August 12-15 caused 13 deaths in Louisiana along with estimated damages of $10.6B ( https://www.ncdc.noaa.gov/billions/events). This event ties with Hurricane Matthew (October 2016) for the highest weather-related damages of the year. Severe weather from the Northern Rockies eastward into the Northeast caused $1.6B in damages, but no fatalities nor any noteworthy 20-yr event totals.