condition mean min max 3 h after light 8.13749 7.0318 9.22913 6 h after light 6.3155166666666664 4.26786 8.38973 9 h after light 5.84213 4.28805 8.42882 12 h after light 6.269885 5.11527 7.4391 3 h after dark 10.297023333333334 9.15677 11.6059 6 h after dark 8.773816666666667 7.54391 10.0684 9 h after dark 8.139226666666666 7.89716 8.51942 12 h after dark 8.33286 7.62562 9.0401