condition	mean	min	max
4 h after light	8.320486666666667	8.05742	8.48621
8 h after light	10.399696666666667	10.246960000000001	10.573889999999999
12 h after light	9.861196666666666	9.768239999999999	9.91868
4 h after dark	8.70426	8.587530000000001	8.78771
8 h after dark	8.363140000000001	8.21345	8.629610000000001
12 h after dark	7.381286666666667	7.13225	7.57143