condition mean min max 4 h after light 17.5 17.5 17.5 8 h after light 79.2 33.2 125.2 12 h after light 42.45 30.2 54.7 4 h after dark 23.599999999999998 5.8 41.4 8 h after dark 52.7 18.7 86.7 12 h after dark 30.150000000000002 18.1 42.2