condition	mean	min	max
4 h after light	4.26324	3.6188	4.90768
8 h after light	3.12444	2.92953	3.31935
12 h after light	4.211235	3.99191	4.43056
4 h after dark	5.773906666666667	5.45631	6.05329
8 h after dark	6.027	5.39205	6.66931
12 h after dark	5.034763333333333	4.41878	5.62774