condition mean min max 4 h after light 37.9 37.9 37.9 8 h after light 24.15 14.4 33.9 12 h after light 14.05 6.8 21.3 4 h after dark 13.9 8.2 19.6 8 h after dark 25.3 17.1 33.5 12 h after dark 29.2 11.6 46.8