condition mean min max 4 h after light 36.6 36.6 36.6 8 h after light 28.1 27.8 28.4 12 h after light 21.55 5.6 37.5 4 h after dark 66.9 12.5 121.3 8 h after dark 80.9 52.6 109.2 12 h after dark 55.5 23.8 87.2