condition	mean	min	max
4 h after light	5.368	2.7509	7.14721
8 h after light	5.41738	2.03154	8.38093
12 h after light	6.48055	3.6655	9.58934
4 h after dark	9.241783333333334	6.39883	12.1317
8 h after dark	9.613153333333333	9.5128	9.7133
12 h after dark	7.802683333333333	7.02559	9.07537