The following table gives the average maximum and minimum temperatures (in °C) for each month in a tropical coastal city.

| Month | Max (°C) | Min (°C) |
|-------|----------|----------|
| Jan | 32 | 24 |
| Feb | 34 | 25 |
| Mar | 36 | 26 |
| Apr | 38 | 28 |
| May | 40 | 30 |
| Jun | 38 | 28 |
| Jul | 36 | 27 |
| Aug | 35 | 27 |
| Sep | 34 | 26 |
| Oct | 33 | 25 |
| Nov | 31 | 24 |
| Dec | 30 | 23 |

Calculate (a) the mean annual temperature (average of the monthly mean temperatures) and (b) the month(s) that experience the greatest diurnal temperature range (difference between maximum and minimum).

Question

The following table gives the average maximum and minimum temperatures (in °C) for each month in a tropical coastal city.

| Month | Max (°C) | Min (°C) |
|-------|----------|----------|
| Jan   | 32       | 24 |
| Feb   | 34       | 25 |
| Mar   | 36       | 26 |
| Apr   | 38       | 28 |
| May   | 40       | 30 |
| Jun   | 38       | 28 |
| Jul   | 36       | 27 |
| Aug   | 35       | 27 |
| Sep   | 34       | 26 |
| Oct   | 33       | 25 |
| Nov   | 31       | 24 |
| Dec   | 30       | 23 |

Calculate (a) the mean annual temperature (average of the monthly mean temperatures) and (b) the month(s) that experience the greatest diurnal temperature range (difference between maximum and minimum).

Accepted Answer

Mean annual temperature ≈ 30.4 °C; greatest diurnal range (10 °C) occurs in March, April, May and June

Waec Model Questions Vol1 2024 Geography Question 30

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