- Air temperature too low (avg 1.0 °C)
- Air temperature too low (avg 1.8 °C)
- Air temperature too low (avg -0.1 °C)
- Air temperature too low (avg -2.0 °C)
- Moderate wind – experience required (avg 5.8 m/s)
- Air temperature too low (avg -0.2 °C)
- Air temperature too low (avg -7.5 °C)