condition mean min max 4 h after light 23.9 23.9 23.9 8 h after light 34.8 16.5 53.1 12 h after light 43.8 43.7 43.9 4 h after dark 19.4 3.3 35.5 8 h after dark 19.05 4.5 33.6 12 h after dark 27.6 26.1 29.1