| Temperature: | 16.8 degC |
| Pressure: | 861.7 mbar |
| Humidity: | 78 % |
| Wind speed: | 0.8 m/s - 26-m telescope stows at 18 m/s |
| Wind direction: | 22 degrees NNE |
| Precipitable water vapour: | 22.5 mm (est.) |
| Saturation vapour pressure: | 1.914 kPa |
| Ambient vapour pressure: | 1.493 kPa |
| Dew point temperature: | 12.9 degC |