condition	mean	min	max
4 h after light	4.1284	3.21173	5.04507
8 h after light	4.326745	4.11337	4.54012
12 h after light	5.944305	5.75907	6.12954
4 h after dark	7.882	7.56305	8.34315
8 h after dark	7.682126666666667	7.35315	7.91199
12 h after dark	5.575753333333333	4.53579	7.20101