condition	mean	min	max
4 h after light	14.670693333333332	9.78318	19.5808
8 h after light	5.68253	1.50657	9.53885
12 h after light	4.13333	2.16527	6.56466
4 h after dark	8.23465	5.14552	11.0854
8 h after dark	6.892853333333333	5.43877	8.97105
12 h after dark	12.35798	9.1434	18.4225