condition	mean	min	max
4 h after light	12.846806	12.241462	13.45215
8 h after light	15.3956395	14.583738	16.207541
12 h after light	17.841483	16.77737	18.905596
4 h after dark	17.345637	14.157928	20.533346
8 h after dark	12.256885	11.890583	12.623187
12 h after dark	12.941979	12.941979	12.941979