condition	mean	min	max
4 h after light	518.9	518.9	518.9
8 h after light	501.95000000000005	472.7	531.2
12 h after light	590.0999999999999	560.8	619.4
4 h after dark	659.95	588.8	731.1
8 h after dark	626.75	600.6	652.9
12 h after dark	473.65	462.7	484.6