The table shows the sales of cold drinks made by a company in the UK in 2016 and 2017. Demand for cold drinks is influenced by changes in the temperature. In 2016 the sales followed the usual seasonal pattern. [Table for Question 14: month: April, sales 2016 (thousand cans): 300, sales 2017 (thousand cans): 290; month: May, sales 2016 (thousand cans): 400, sales 2017 (thousand cans): 350; month: June, sales 2016 (thousand cans): 550, sales 2017 (thousand cans): 270; month: July, sales 2016 (thousand cans): 570, sales 2017 (thousand cans): 490; month: August, sales 2016 (thousand cans): 620, sales 2017 (thousand cans): 590] In which month of 2017 was the usual pattern disturbed?