condition mean min max 4 h after light 33.9 33.9 33.9 8 h after light 21.85 21.3 22.4 12 h after light 19.95 1.3 38.6 4 h after dark 18.85 8.3 29.4 8 h after dark 23.65 20.2 27.1 12 h after dark 25.1 17.7 32.5