condition mean min max 4 h after light 41.8 41.8 41.8 8 h after light 23.9 10.2 37.6 12 h after light 4.75 3.1 6.4 4 h after dark 26.2 6.0 46.4 8 h after dark 35.25 12.1 58.4 12 h after dark 41.1 15.2 67.0