Insulation Temperature Means 1 1 6.6 1 1 2.7 1 1 6 1 1 4 1 1 6.2 1 1 5 1 2 4.5 1 2 5.5 1 2 4.8 1 2 2.2 1 2 2.7 1 2 5.8 1 3 2.3 1 3 5.6 1 3 2.2 1 3 0.9 1 3 4.9 1 3 3.4 2 1 3 2 1 2.1 2 1 5.9 2 1 3.2 2 1 4.1 2 1 2.5 2 2 3 2 2 2.5 2 2 0.4 2 2 1.5 2 2 2.6 2 2 3.5 2 3 1.3 2 3 0.5 2 3 1.7 2 3 3.3 2 3 1.1 2 3 0.1 3 1 5.7 3 1 3.2 3 1 5.3 3 1 4.4 3 1 3.2 3 1 9.7 3 2 8.9 3 2 7 3 2 8 3 2 7.7 3 2 7.3 3 2 2.2 3 3 2.6 3 3 11.5 3 3 3.4 3 3 9.9 3 3 10.5 3 3 6.7 4 1 7 4 1 7.3 4 1 8.6 4 1 8.9 4 1 9 4 1 11.3 4 2 12 4 2 8.5 4 2 7.9 4 2 9.7 4 2 10.8 4 2 7.3 4 3 8.3 4 3 10.4 4 3 10.6 4 3 8 4 3 9.7 4 3 7.4