condition mean min max 0 h after light 48.331149999999994 48.138 48.5243 4 h after light 87.7697 67.3024 108.237 8 h after light 13.6599 11.2866 16.0332 4 h after dark 1.109115 0.92201 1.29622 8 h after dark 17.0546 16.7964 17.3128 12 h after dark 85.3361 73.3771 97.2951