Traditional Culture Encyclopedia - Weather inquiry - How to calculate the average temperature of a day?

How to calculate the average temperature of a day?

1 The average temperature of a certain day: the average of the highest and lowest temperatures on a certain day.

2. The average temperature of a certain month: the average of the average temperatures of multiple days in a certain month.

3. Average temperature in a certain year: average the multi-day average temperature (or multi-month average temperature) in a certain year.