| Temperature: | 21.3 degC |
| Pressure: | 862.3 mbar |
| Humidity: | 80 % |
| Wind speed: | 1.2 m/s - 26-m telescope stows at 18 m/s |
| Wind direction: | 352 degrees N |
| Precipitable water vapour: | 30.2 mm (est.) |
| Saturation vapour pressure: | 2.534 kPa |
| Ambient vapour pressure: | 2.027 kPa |
| Dew point temperature: | 17.7 degC |