- Air temperature too low (avg -0.5 °C)
- Air temperature too low (avg 2.0 °C)
- Air temperature too low (avg 2.4 °C)
- Air temperature too low (avg 4.6 °C)
- Moderate wind – experience required (avg 7.0 m/s)
- Air temperature too low (avg -1.4 °C)
- Air temperature too low (avg -5.6 °C)