condition mean min max 4 h after light 8.7 8.7 8.7 8 h after light 35.95 35.7 36.2 12 h after light 45.7 45.2 46.2 4 h after dark 26.2 24.4 28.0 8 h after dark 16.65 9.1 24.2 12 h after dark 22.9 6.5 39.3