condition	mean	min	max
4 h after light	20.0020475	17.933658	22.070437
8 h after light	13.848930500000002	12.32327	15.374591
12 h after light	13.835096499999999	13.428491	14.241702
4 h after dark	12.025972	10.73602	13.315924
8 h after dark	14.577886	14.577886	14.577886
12 h after dark	26.986714	26.986714	26.986714