condition mean min max 0 h after light 8.66079 8.46709 8.85449 4 h after light 2.471395 1.50368 3.43911 8 h after light 3.76246 3.27757 4.24735 4 h after dark 5.94409 4.34812 7.54006 8 h after dark 5.5089950000000005 4.8888 6.12919 12 h after dark 5.84107 4.84923 6.83291