condition	mean	min	max
4 h after light	7.67424	6.70702	8.64146
8 h after light	13.5708	13.2645	13.8771
12 h after light	11.81635	11.246	12.3867
4 h after dark	8.561546666666667	6.20589	10.877
8 h after dark	10.9373	10.741	11.315
12 h after dark	10.073366666666667	8.9809	10.7355