| Temperature: | 19.6 degC |
| Pressure: | 866.1 mbar |
| Humidity: | 86 % |
| Wind speed: | 0.0 m/s - 26-m telescope stows at 18 m/s |
| Wind direction: | 319 degrees NW |
| Precipitable water vapour: | 29.3 mm (est.) |
| Saturation vapour pressure: | 2.282 kPa |
| Ambient vapour pressure: | 1.962 kPa |
| Dew point temperature: | 17.2 degC |