Figure 1 shows the weather conditions in Tai'an City during the first four days of June. Read the picture and answer the following questions. (1) It can be seen from Figure 1 that the highest temperature of the day occurs in ____

(1) As can be seen from the figure, the highest temperature of the day occurs around 14 o'clock.

(2) The diurnal temperature range refers to the difference between the highest temperature and the lowest temperature in a day. Reading the picture, we can see that the highest temperature on this day is 39.0℃ and the lowest temperature is 27.5℃. The daily temperature range on this day is 39.0℃-27.5℃=11.5℃.

(3) There is a big difference in temperature between the north and the south of my country in winter. It is warm in the south, but the temperature becomes lower as you go north. High temperatures are common in the north and south in summer. In the picture, the lowest temperature in Shangrao is around 25°C, indicating that it is in the high temperature period of the year - summer. It is summer vacation time in our country. Supermarkets sell a large amount of summer cooling food. It is very normal for people to use electric fans or air conditioners to cool down. It is inconsistent for farmers to pick spring tea.

(4) The weather conditions on June 1st: sunny to cloudy, with a maximum temperature of 32℃ and a minimum temperature of 20℃; the weather conditions on June 2nd: sunny, with a maximum temperature of 33℃ and a minimum temperature of 20℃ ℃, breeze; the weather conditions on June 3: sunny to cloudy, the maximum temperature is 31℃, the minimum temperature is 20℃, breeze; the weather conditions on June 4: sunny to light rain, the maximum temperature is 33℃, the minimum temperature is 20℃, Breeze;

(5) The highest temperature of the day occurred at 14:00. The temperature at 2:00 pm on June 2 was 33℃, which was not suitable for going out to play ball.

So the answer is:

(1)B;

(2)C;

(3)D;

(4) Sunny to light rain, the highest temperature is 33℃, the lowest temperature is 20℃, the wind is light breeze;

(5) 2pm is the hottest time of the day, no Suitable for playing basketball.