- Air temperature too low (avg 1.1 °C)
- Air temperature too low (avg 2.1 °C)
- Air temperature too low (avg -1.2 °C)
- Air temperature too low (avg -0.8 °C)
- Air temperature too low (avg -0.4 °C)
- Moderate wind – experience required (avg 5.8 m/s)
- Air temperature too low (avg 4.7 °C)