Noon Summary Log
| Day: | 421 |
| Date: | 19th July 1987 |
| Latitude: | 34° 19.3′ S |
| Longitude: | 1° 44.1′ EAST |
| Water Temperature: | 16.8°C |
| Wind @ Noon: | 20-25 SW |
| Max Wind /24 hours: | 30-45 SW |
| Min Wind /24 hours: | 20 SW |
| Cloud Cover | 6/8 |
| Cabin Temperature: | 14°C |
| Outside Temperature: | 11.7°C |
| Barometer: | 1017 |
Source: CUL00045/11