condition	mean	min	max
0 h after light	7.224775	6.94854	7.50101
4 h after light	4.5802700000000005	3.8452	5.31534
8 h after light	15.17115	14.7561	15.5862
4 h after dark	13.6701	10.8676	16.4726
8 h after dark	9.832995	9.51879	10.1472
12 h after dark	6.15751	5.73474	6.58028