condition	mean	min	max
4 h after light	8.9977625	8.775204	9.220321
8 h after light	9.7345155	9.270371	10.19866
12 h after light	8.968547000000001	8.940098	8.996996
4 h after dark	9.845216	8.007984	11.682448
8 h after dark	8.6204295	8.126542	9.114317
12 h after dark	8.577939	8.577939	8.577939