condition mean min max 4 h after light 49.0975 49.0539 49.1411 8 h after light 51.09295 50.8593 51.3266 12 h after light 70.14699999999999 69.3357 70.9583 4 h after dark 88.72909999999999 87.85 89.6082 8 h after dark 86.86765 86.1695 87.5658 12 h after dark 78.26165 77.0729 79.4504