condition	mean	min	max
4 h after light	6.25708	3.73666	9.28574
8 h after light	5.460806666666667	1.9586	7.88968
12 h after light	6.31004	4.49234	8.50429
4 h after dark	11.658859999999999	8.75978	13.45
8 h after dark	9.757023333333333	8.13627	10.925
12 h after dark	9.725573333333333	8.55466	11.4358