condition	mean	min	max
4 h after light	5.044490000000001	5.03881	5.0492300000000006
8 h after light	5.349866666666666	5.27177	5.45071
12 h after light	5.36899	5.2489	5.5237099999999995
4 h after dark	6.174286666666666	6.1475599999999995	6.226780000000001
8 h after dark	6.352496666666666	6.3125599999999995	6.4112
12 h after dark	6.677203333333333	6.628769999999999	6.767989999999999