condition	mean	min	max
4 h after light	6.00422	5.90003	6.16144
8 h after light	6.354293333333334	6.208069999999999	6.6349100000000005
12 h after light	6.86589	6.628830000000001	7.2824100000000005
4 h after dark	6.39227	6.25795	6.5564
8 h after dark	5.999226666666667	5.8159	6.20528
12 h after dark	5.959546666666666	5.74451	6.12692