Study Figure 4a below. It shows sample data for 24-hour rainfall totals at five monitoring stations during a tropical cyclone event.
| Monitoring Station | 24-hour Rainfall (mm) |
|---|---|
| Station 1 | 112.5 |
| Station 2 | 185.2 |
| Station 3 | 94.1 |
| Station 4 | 247.8 |
| Station 5 | 131.3 |
Calculate the mean 24-hour rainfall across the five monitoring stations.
Give your answer to one decimal place.
You must show all your workings.
