| Temperature: | 4.1 degC |
| Pressure: | 871.3 mbar |
| Humidity: | 76 % |
| Wind speed: | 0.5 m/s - 26-m telescope stows at 18 m/s |
| Wind direction: | 169 degrees S |
| Precipitable water vapour: | 9.7 mm (est.) |
| Saturation vapour pressure: | 0.819 kPa |
| Ambient vapour pressure: | 0.623 kPa |
| Dew point temperature: | 0.3 degC |