condition	mean	min	max
4 h after light	16.3274045	14.577886	18.076923
8 h after light	13.4640775	13.417595	13.51056
12 h after light	14.581262500000001	14.207818	14.954707
4 h after dark	14.756346	14.577886	14.934806
8 h after dark	15.987128	14.577886	17.39637
12 h after dark	14.368716	14.368716	14.368716