condition	mean	min	max
4 h after light	8.430354999999999	7.3133	9.54741
8 h after light	5.911845	5.88794	5.93575
12 h after light	6.59929	6.33577	6.86281
4 h after dark	6.757906666666667	6.49198	7.06903
8 h after dark	8.808836666666666	7.85324	9.96018
12 h after dark	7.76529	7.50324	8.26974