Noon Summary Log
| Day: | 568 |
| Date: | 12th December 1987 |
| Latitude: | 31° 27.4′ S |
| Longitude: | 36° 4′ W |
| Water Temperature: | 21°C |
| Wind @ Noon: | 25 ENE |
| Max Wind /24 hours: | 25 ENE |
| Min Wind /24 hours: | CALM |
| Cloud Cover | 8/8 |
| Cabin Temperature: | 26°C |
| Outside Temperature: | 22.6°C |
| Barometer: | 1011 |
Source: CUL00045/15