- Air temperature too low (avg 0.2 °C)
- Air temperature too low (avg -0.5 °C)
- Air temperature too low (avg -0.6 °C)
- Air temperature too low (avg 1.7 °C)
- Air temperature too low (avg 4.8 °C)
- Moderate wind – experience required (avg 6.5 m/s)
- Air temperature too low (avg 3.8 °C)