condition	mean	min	max
4 h after light	8.401525	7.31234	9.49071
8 h after light	11.209050000000001	10.1531	12.265
12 h after light	9.405615000000001	7.54063	11.2706
4 h after dark	8.281596666666667	6.63391	9.79245
8 h after dark	7.295766666666666	6.94544	7.63345
12 h after dark	7.874593333333333	7.73538	8.13478