condition	mean	min	max
4 h after light	6.427125	5.93301	6.92124
8 h after light	7.200435	6.79705	7.60382
12 h after light	6.812715000000001	6.46872	7.15671
4 h after dark	9.712313333333332	8.92044	10.1558
8 h after dark	7.29116	4.25536	9.43813
12 h after dark	5.832706666666667	4.0201	7.67856