condition mean min max 4 h after light 19.3 19.3 19.3 8 h after light 25.15 8.4 41.9 12 h after light 20.1 15.1 25.1 4 h after dark 12.100000000000001 5.4 18.8 8 h after dark 8.4 3.6 13.2 12 h after dark 17.950000000000003 16.3 19.6