condition mean min max 4 h after light 55.7 55.7 55.7 8 h after light 51.1 38.7 63.5 12 h after light 45.650000000000006 45.2 46.1 4 h after dark 16.25 2.0 30.5 8 h after dark 34.8 19.6 50.0 12 h after dark 30.5 13.9 47.1