IMSO 2006 Science International - Theory II Question 23

Table 1 shows data of a city’s hourly temperature taken on clear and cloudy weather. Based on the data in Table 1, plot graphs on the figure below. Explain how the weather influences the hourly temperature. (Score: 4)

Table 1. Hourly day temperature

| Time | Clear temperature (°C) | Cloudy temperature (°C) |
| --- | --- | --- |
| 08:00 A.M. | 28.5 | 28.5 |
| 09:00 A.M. | 29 | 29 |
| 10:00 A.M. | 29.5 | 29.5 |
| 11:00 A.M. | 30 | 30 |
| 12:00 noon | 30.5 | 30.5 |
| 01:00 P.M. | 31.5 | 31 |
| 02:00 P.M. | 33 | 31.5 |
| 03:00 P.M. | 32.5 | 32 |
| 04:00 P.M. | 32 | 32.5 |
| 05:00 P.M. | 31.5 | 34 |
| 06:00 P.M. | 30.5 | 33.5 |
| 07:00 P.M. | 29 | 30 |