condition	mean	min	max
4 h after light	6.095085	5.52364	6.66653
8 h after light	9.04309	8.6645	9.42168
12 h after light	11.553149999999999	10.8951	12.2112
4 h after dark	16.226733333333332	15.8198	16.6589
8 h after dark	15.177566666666667	13.3198	16.1539
12 h after dark	9.843653333333334	7.54726	11.477