condition	mean	min	max
4 h after light	665.8	665.8	665.8
8 h after light	684.05	672.2	695.9
12 h after light	632.65	629.9	635.4
4 h after dark	559.95	533.7	586.2
8 h after dark	705.0	626.3	783.7
12 h after dark	662.75	661.3	664.2