condition	mean	min	max
0 h after light	7.464505000000001	6.91969	8.00932
4 h after light	4.832125	4.52576	5.13849
8 h after light	6.20116	5.99677	6.40555
4 h after dark	6.15266	5.62075	6.68457
8 h after dark	5.80439	5.52571	6.08307
12 h after dark	6.19162	5.84638	6.53686