condition mean min max 4 h after light 110.8 110.8 110.8 8 h after light 66.75 23.0 110.5 12 h after light 31.25 25.0 37.5 4 h after dark 23.5 19.1 27.9 8 h after dark 10.600000000000001 8.9 12.3 12 h after dark 90.1 43.3 136.9