condition	mean	min	max
4 h after light	650.5	650.5	650.5
8 h after light	429.25	324.4	534.1
12 h after light	545.45	413.9	677.0
4 h after dark	503.25	487.7	518.8
8 h after dark	532.05	528.0	536.1
12 h after dark	613.2	604.5	621.9