| Temperature: | 11.6 degC |
| Pressure: | 869.6 mbar |
| Humidity: | 79 % |
| Wind speed: | 0.7 m/s - 26-m telescope stows at 18 m/s |
| Wind direction: | 347 degrees NNW |
| Precipitable water vapour: | 16.5 mm (est.) |
| Saturation vapour pressure: | 1.366 kPa |
| Ambient vapour pressure: | 1.079 kPa |
| Dew point temperature: | 8.1 degC |