condition mean min max 4 h after light 22.2 22.2 22.2 8 h after light 13.4 9.0 17.8 12 h after light 20.85 14.9 26.8 4 h after dark 14.65 3.6 25.7 8 h after dark 25.5 19.9 31.1 12 h after dark 12.15 10.9 13.4