condition mean min max 4 h after light 16.7 16.7 16.7 8 h after light 113.9 70.4 157.4 12 h after light 79.25 56.2 102.3 4 h after dark 74.25 17.1 131.4 8 h after dark 139.64999999999998 136.2 143.1 12 h after dark 111.69999999999999 97.3 126.1