Mbs_ 1 weichuang temperature difference adjustment

(1) The temperature difference between the two cities is the smallest in July, and the largest in June is 5438+00.

(2) Compared with last month, the average temperature of 5438+00 in June in Harbin dropped the fastest.

(3) The average monthly temperature in these two cities is decreasing.

So the answer is: 7,10; Harbin, 10.