condition	mean	min	max
4 h after light	6.9400699999999995	3.50131	9.21703
8 h after light	9.25647	3.01201	15.3792
12 h after light	12.51503	8.69179	18.5019
4 h after dark	15.386933333333333	13.0928	16.7307
8 h after dark	9.140643333333333	7.2513	10.4616
12 h after dark	3.751396666666667	3.3831	4.22721