Temperature C Height (ft) 0 0.6 0 0.7 0 1.1 0 0.8 0 0.7 0 0.6 0 1 0 1.1 5 3.8 5 3.7 5 3.4 5 4.1 5 3.9 5 3.8 5 3.6 5 3.8 10 4.2 10 4.1 10 4.6 10 3.9 10 4.7 10 4.2 10 4.3 10 4.1 15 5.6 15 5.3 15 5.5 15 5.2 15 5.8 15 5.6 15 5.6 15 5.4 20 8 20 7.6 20 8.2 20 7.9 20 8 20 8.1 20 8 20 7.9 25 10.1 25 9.8 25 10.2 25 10.1 25 9.9 25 10 25 10.1 25 10 30 11.6 30 11.7 30 11.2 30 11 30 11.6 30 11.4 30 11.8 30 11.7 35 12.5 35 12.7 35 12.3 35 12.5 35 12.2 35 12.6 35 12.5 35 12.5 40 14.4 40 14.6 40 14.2 40 14.4 40 14.7 40 14.1 40 14.4 40 14.6 45 16 45 16.1 45 15.9 45 16.2 45 16.1 45 16 45 15.9 45 16.2