Noon Summary Log
| Day: | 539 |
| Date: | 13th November 1987 |
| Latitude: | 50° 35.3′ S |
| Longitude: | 90° 56′ W |
| Water Temperature: | 7.5°C |
| Wind @ Noon: | 25 NW |
| Max Wind /24 hours: | 25-30 W |
| Min Wind /24 hours: | 18 W |
| Cloud Cover | 1/8 |
| Cabin Temperature: | 16°C |
| Outside Temperature: | 11.5°C |
| Barometer: | 1017 |
Source: CUL00045/15