| Temperature: | 28.1 degC |
| Pressure: | 861.8 mbar |
| Humidity: | 39 % |
| Wind speed: | 8.8 m/s - 26-m telescope stows at 18 m/s |
| Wind direction: | 21 degrees NNE |
| Precipitable water vapour: | 21.8 mm (est.) |
| Saturation vapour pressure: | 3.803 kPa |
| Ambient vapour pressure: | 1.483 kPa |
| Dew point temperature: | 12.8 degC |