Noon Summary Log
| Day: | 579 |
| Date: | 23rd December 1987 |
| Latitude: | 11° 28.6′ S |
| Longitude: | 32° 39′ W |
| Water Temperature: | 26.9°C |
| Wind @ Noon: | 20 NE |
| Max Wind /24 hours: | 25.28 NNE |
| Min Wind /24 hours: | 20 NE |
| Cloud Cover | 3/8 |
| Cabin Temperature: | 31°C |
| Outside Temperature: | 29.1°C |
| Barometer: | 1011 |
Source: CUL00045/16