condition	mean	min	max
4 h after light	5.34823	2.60615	7.40311
8 h after light	3.9209233333333335	1.3753	5.74045
12 h after light	3.93784	2.0078	5.83334
4 h after dark	7.06501	6.17468	8.42806
8 h after dark	6.154496666666667	5.4454	6.9223
12 h after dark	4.777486666666666	4.36469	4.99118