condition	mean	min	max
4 h after light	16.467376	15.996883	16.937869
8 h after light	14.691969	14.501783	14.882155
12 h after light	15.4498005	14.902718	15.996883
4 h after dark	15.910889000000001	14.490145	17.331633
8 h after dark	16.407195	15.996883	16.817507
12 h after dark	15.996883	15.996883	15.996883