condition	mean	min	max
0 h after light	6.37931	6.21056	6.54806
4 h after light	3.5416049999999997	3.45016	3.63305
8 h after light	3.4958650000000002	3.37078	3.62095
4 h after dark	5.501495	4.96388	6.03911
8 h after dark	4.49234	4.12952	4.85516
12 h after dark	5.46812	4.64561	6.29063