condition	mean	min	max
4 h after light	3.6285100000000003	2.52713	4.72989
8 h after light	3.98745	3.55319	4.42171
12 h after light	6.59047	3.8204	9.36054
4 h after dark	8.710435	7.98061	9.44026
8 h after dark	8.158355	6.93847	9.37824
12 h after dark	6.617615	4.34694	8.88829