condition	mean	min	max
4 h after light	7.30996	6.63939	7.98053
8 h after light	5.501075	5.37923	5.62292
12 h after light	5.912245	5.44807	6.37642
4 h after dark	5.830795	5.78895	5.87264
8 h after dark	6.557729999999999	6.30746	6.808
12 h after dark	6.98067	6.36061	7.60073