condition	mean	min	max
4 h after light	6.51438	6.45498	6.62793
8 h after light	6.380076666666667	6.2804199999999994	6.51306
12 h after light	6.37979	6.21871	6.55103
4 h after dark	6.43696	6.37591	6.5067699999999995
8 h after dark	6.412273333333333	6.243180000000001	6.54915
12 h after dark	6.446153333333333	6.2950099999999996	6.67806