condition mean min max 0 h after light 5.063995 4.61757 5.51042 4 h after light 12.4208 12.1644 12.6772 8 h after light 14.4771 14.3136 14.6406 4 h after dark 12.0079 10.4154 13.6004 8 h after dark 11.15505 10.7391 11.571 12 h after dark 6.32467 4.46472 8.18462