| Temperature: | 19.6 degC |
| Pressure: | 859.7 mbar |
| Humidity: | 81 % |
| Wind speed: | 0.0 m/s - 26-m telescope stows at 18 m/s |
| Wind direction: | 199 degrees SSW |
| Precipitable water vapour: | 27.6 mm (est.) |
| Saturation vapour pressure: | 2.282 kPa |
| Ambient vapour pressure: | 1.848 kPa |
| Dew point temperature: | 16.2 degC |