Noon Summary Log
| Day: | 571 |
| Date: | 15th December 1987 |
| Latitude: | 28° 26.1′ S |
| Longitude: | 33° 12′ W |
| Water Temperature: | 23.9°C |
| Wind @ Noon: | 15-18 ENE |
| Max Wind /24 hours: | 15-18 ENE |
| Min Wind /24 hours: | CALM |
| Cloud Cover | 3/8 |
| Cabin Temperature: | 29°C |
| Outside Temperature: | 26.1°C |
| Barometer: | 1020 |
Source: CUL00045/15