condition	mean	min	max
4 h after light	4.2578499999999995	3.85715	4.65855
8 h after light	4.829095000000001	4.6367	5.02149
12 h after light	7.49089	7.28882	7.69296
4 h after dark	8.227485	7.84982	8.60515
8 h after dark	7.4844550000000005	7.40107	7.56784
12 h after dark	6.95553	6.95065	6.96041