Traditional Culture Encyclopedia - Weather inquiry - Daily temperature difference refers to the difference between the highest temperature and the lowest temperature in a day, as shown in the figure, the daily temperature curve of Qingtian on February 2

Daily temperature difference refers to the difference between the highest temperature and the lowest temperature in a day, as shown in the figure, the daily temperature curve of Qingtian on February 2

Daily temperature difference refers to the difference between the highest temperature and the lowest temperature in a day, as shown in the figure, the daily temperature curve of Qingtian on February 201-20, in which the weather on February 17. Find the temperature difference of four days, and then compare the sizes; According to the chart, the temperature difference on 12 is17-11= 6℃; The temperature difference on 14 is 20-12 = 8℃; The temperature difference on 16 is14-11= 3℃; The temperature difference on 18 is 24-15 = 9℃;

So the maximum temperature difference is 18.

Therefore, choose: d.