condition mean min max 4 h after light 33.1 33.1 33.1 8 h after light 43.3 39.9 46.7 12 h after light 14.75 5.3 24.2 4 h after dark 4.3 2.3 6.3 8 h after dark 2.6 2.1 3.1 12 h after dark 19.25 7.3 31.2