| Temperature: | 22.2 degC |
| Pressure: | 865.4 mbar |
| Humidity: | 39 % |
| Wind speed: | 2.3 m/s - 26-m telescope stows at 18 m/s |
| Wind direction: | 309 degrees NW |
| Precipitable water vapour: | 15.5 mm (est.) |
| Saturation vapour pressure: | 2.677 kPa |
| Ambient vapour pressure: | 1.044 kPa |
| Dew point temperature: | 7.6 degC |