condition	mean	min	max
4 h after light	14.576175	14.469402	14.682948
8 h after light	13.627307	11.756	15.498614
12 h after light	15.442567	12.565067	18.320067
4 h after dark	12.3837765	12.108645	12.658908
8 h after dark	13.581993	12.877185	14.286801
12 h after dark	15.232795	15.232795	15.232795