- Air temperature too low (avg 1.0 °C)
- Air temperature too low (avg -1.0 °C)
- Air temperature too low (avg -1.3 °C)
- Air temperature too low (avg 1.5 °C)
- Air temperature too low (avg 4.6 °C)
- Moderate wind – experience required (avg 6.1 m/s)
- Air temperature too low (avg 2.5 °C)