| Weather Station | July Mean Daily Maximum Temperature (°C) |
|---|---|
| Cairn Gorm | 8.9 |
| Ben Macdui | 8.4 |
| Braeriach | 8.1 |
| Cairn Toul | 8.3 |
| Sgor an Lochain Uaine | 8.2 |
| Beinn a' Bhùird | 9.3 |
| Ben Avon | 9.7 |
| Beinn Bhrotain | 9.1 |
| Derry Cairngorm | 9.5 |
| Lochnagar | 10.2 |
| Carn Etchachan | 8.7 |
Calculate the lower quartile value of July mean daily maximum temperature for the weather stations shown. You must show your working out.