condition	mean	min	max
4 h after light	537.9	537.9	537.9
8 h after light	510.25	451.2	569.3
12 h after light	489.3	402.9	575.7
4 h after dark	566.05	526.6	605.5
8 h after dark	660.5	600.8	720.2
12 h after dark	639.0	494.4	783.6