condition mean min max 4 h after light 5.6 5.6 5.6 8 h after light 24.0 4.2 43.8 12 h after light 13.5 4.1 22.9 4 h after dark 35.6 28.5 42.7 8 h after dark 31.05 27.0 35.1 12 h after dark 30.5 29.2 31.8