condition mean min max 0 h after light 9.343505 8.11661 10.5704 4 h after light 11.764285000000001 9.92427 13.6043 8 h after light 6.735105 5.6211 7.84911 4 h after dark 14.177050000000001 14.0053 14.3488 8 h after dark 8.42892 8.39355 8.46429 12 h after dark 9.41386 8.91628 9.91144