- Air temperature too low (avg 7.2 °C)
- Air temperature too low (avg 2.0 °C)
- Air temperature too low (avg 0.4 °C)
- Air temperature too low (avg 3.8 °C)
- Air temperature too low (avg 8.2 °C)
- Moderate wind – experience required (avg 6.3 m/s)
- Air temperature too low (avg 3.2 °C)