condition	mean	min	max
4 h after light	5.763215000000001	4.73747	6.78896
8 h after light	6.19532	5.96151	6.42913
12 h after light	7.02624	6.45096	7.60152
4 h after dark	12.574566666666668	12.5424	12.6266
8 h after dark	11.093300000000001	10.332	12.5309
12 h after dark	8.362776666666667	7.72594	9.58369