Noon Summary Log
| Day: | 569 |
| Date: | 13th December 1987 |
| Latitude: | 30° 8.5′ S |
| Longitude: | 36° 7.7′ W |
| Water Temperature: | 21.2°C |
| Wind @ Noon: | 20 N |
| Max Wind /24 hours: | 25-28 N |
| Min Wind /24 hours: | 20 N |
| Cloud Cover | 8/8 |
| Cabin Temperature: | 26°C |
| Outside Temperature: | 23.4°C |
| Barometer: | 1013 |
Source: CUL00045/15