- Air temperature too low (avg 1.0 °C)
- Air temperature too low (avg -0.2 °C)
- Air temperature too low (avg -2.8 °C)
- Air temperature too low (avg 0.7 °C)
- Moderate wind – experience required (avg 5.7 m/s)
- Air temperature too low (avg -1.9 °C)
- Air temperature too low (avg 2.4 °C)