condition mean min max 4 h after light 13.2 13.2 13.2 8 h after light 14.899999999999999 9.4 20.4 12 h after light 23.0 4.6 41.4 4 h after dark 17.35 6.0 28.7 8 h after dark 27.7 5.5 49.9 12 h after dark 4.35 3.7 5.0