- Air temperature too low (avg 0.7 °C)
- Air temperature too low (avg -0.9 °C)
- Air temperature too low (avg -1.1 °C)
- Air temperature too low (avg 1.0 °C)
- Air temperature too low (avg 3.3 °C)
- Moderate wind – experience required (avg 6.5 m/s)
- Air temperature too low (avg 0.4 °C)