Noon Summary Log
| Day: | 575 |
| Date: | 19th December 1987 |
| Latitude: | 19° 41′ S |
| Longitude: | 31° 40′ W |
| Water Temperature: | 27.1°C |
| Wind @ Noon: | 14 NE |
| Max Wind /24 hours: | 18 NE |
| Min Wind /24 hours: | 12 NE |
| Cloud Cover | 3/8 |
| Cabin Temperature: | 31°C |
| Outside Temperature: | 28.8°C |
| Barometer: | 1013 |
Source: CUL00045/15