condition	mean	min	max
4 h after light	4.523012	3.5707150000000003	6.236969
8 h after light	2.584299	1.579383	3.091444
12 h after light	3.209747666666667	1.544286	4.642775
16 h after light	5.241444666666666	4.213184	6.306121
4 h after dark	8.579843333333333	3.4438699999999995	11.71285
8 h after dark	5.467975	2.970399	7.242700999999999