condition	mean	min	max
4 h after light	21.5155925	19.559678	23.471507
8 h after light	16.140213000000003	15.830835	16.449591
12 h after light	17.8570515	13.963473	21.75063
4 h after dark	14.6211505	12.79271	16.449591
8 h after dark	14.202998000000001	12.360821	16.045175
12 h after dark	22.747253	22.747253	22.747253