condition mean min max 2 h after light 5.500945 3.2473 10.4141 6 h after light 3.0019566666666666 1.3577 5.40065 10 h after light 3.911907 0.463472 7.55011 14 h after light 3.22419 1.54006 8.63052 18 h after light 3.6105283333333333 1.68013 5.21855 2 h after dark 0.8253373333333334 0.0 2.07369