Pressure / hPa / six-hour interval
Instrument record / 72 hours
Pressure before snow.
The front announced itself as a falling line three hours before cloud entered the basin.
Decision thresholds
Hold below 780 hPa.
At 781 hPa the party held Camp II, secured the instrument mast, and moved the ridge observation to the next window.
- Gust threshold: 45 km/h
- Cloud floor threshold: 1,850 m
- Overnight minimum: −6 °C
- Radio window: 06:30 / 18:30
| Recorded | Pressure | Temperature | Wind | Visibility | Decision |
|---|---|---|---|---|---|
| 07 Oct / 06:00 | 793 hPa | 4 °C | W 12 km/h | 28 km | Proceed |
| 07 Oct / 18:00 | 787 hPa | 1 °C | W 24 km/h | 19 km | Establish Camp II |
| 08 Oct / 06:00 | 781 hPa | −2 °C | NW 38 km/h | 14 km | Hold camp |
| 08 Oct / 14:00 | 776 hPa | −4 °C | NW 52 km/h | 4 km | Turn below ridge |