condition	mean	min	max
4 h after light	10.500259	7.796450999999999	14.0877
8 h after light	6.052518	1.477441	14.01605
12 h after light	11.744816	6.131408	16.46215
16 h after light	13.98119	10.929089999999999	17.96077
4 h after dark	23.344046666666667	17.049129999999998	31.534540000000003
8 h after dark	11.100662666666667	8.603908	13.67107