condition mean min max 4 h after light 29.2 29.2 29.2 8 h after light 69.3 62.0 76.6 12 h after light 56.6 27.0 86.2 4 h after dark 68.4 68.4 68.4 8 h after dark 30.25 9.7 50.8 12 h after dark 39.95 29.8 50.1