- Air temperature too low (avg 3.7 °C)
- Air temperature too low (avg -0.4 °C)
- Air temperature too low (avg 0.7 °C)
- Air temperature too low (avg 1.7 °C)
- Moderate wind – experience required (avg 5.5 m/s)
- Air temperature too low (avg 2.0 °C)
- Air temperature too low (avg -3.6 °C)