condition	mean	min	max
4 h after light	14.157928	14.157928	14.157928
8 h after light	14.999451	14.707145	15.291757
12 h after light	13.035571000000001	12.492279	13.578863
4 h after dark	13.4539445	12.749961	14.157928
8 h after dark	12.4666725	10.775417	14.157928
12 h after dark	15.04489	15.04489	15.04489