condition	mean	min	max
4 h after light	8.79299	5.55518	12.0308
8 h after light	5.82302	5.17266	6.47338
12 h after light	5.7828599999999994	5.12971	6.43601
4 h after dark	13.608649999999999	9.85535	16.2759
8 h after dark	12.2909	10.7864	14.1492
12 h after dark	9.433983333333334	3.93805	13.5158