The temperature on a cloudy, snowy winter day is ◊C from midnight to 11:00 PM. Then, dur...

The temperature on a cloudy, snowy winter day is ◊C from midnight to 11:00 PM. Then, during the last hour of the day, the clouds break up, and the temperature drops to a reading of C. What is the daily mean temperature as calculated by the average of the daily maximum and minimum temperature? What is the daily mean temperature if you average the sum of each hourly temperature?