condition	mean	min	max
4 h after light	7.510350000000001	6.26096	8.75974
8 h after light	4.937265	4.83675	5.03778
12 h after light	4.93641	4.75462	5.1182
4 h after dark	4.44058	4.10435	5.00991
8 h after dark	4.318586666666667	4.18637	4.39567
12 h after dark	6.76969	6.47221	6.99173