- Air temperature too low (avg 1.3 °C)
- Air temperature too low (avg -1.9 °C)
- Air temperature too low (avg -2.5 °C)
- Air temperature too low (avg 1.1 °C)
- Air temperature too low (avg 5.4 °C)
- Moderate wind – experience required (avg 7.1 m/s)
- Air temperature too low (avg 0.7 °C)