condition mean min max 0 h after light 15.48565 10.1758 20.7955 2 h after light 6.02449 5.68157 6.36741 4 h after light 2.77968 0.0 5.55936 8 h after light 6.818515 5.85714 7.77989 12 h after light 21.3625 18.9873 23.7377 2 h after dark 16.24955 15.5704 16.9287 4 h after dark 19.491 16.3531 22.6289 8 h after dark 21.872149999999998 19.1373 24.607 12 h after dark 13.8171 12.108 15.5262