condition	mean	min	max
4 h after light	1.3767315	0.921553	1.83191
8 h after light	4.1728950000000005	4.09453	4.25126
12 h after light	18.2755	18.2655	18.2855
4 h after dark	13.5961	12.5019	14.5585
8 h after dark	6.922766666666667	6.78525	7.12549
12 h after dark	2.9770933333333334	2.64426	3.1979