condition	mean	min	max
4 h after light	4.69569	4.08185	5.30953
8 h after light	3.805045	2.80551	4.80458
12 h after light	4.10916	3.66074	4.55758
4 h after dark	7.9151299999999996	6.78198	8.82207
8 h after dark	7.059503333333333	3.4074	10.1328
12 h after dark	5.844266666666667	2.54914	10.4349