condition mean min max 4 h after light 25.2 25.2 25.2 8 h after light 12.7 10.8 14.6 12 h after light 39.0 13.0 65.0 4 h after dark 35.0 13.2 56.8 8 h after dark 9.45 7.8 11.1 12 h after dark 9.0 4.6 13.4