condition	mean	min	max
4 h after light	643.9	643.9	643.9
8 h after light	610.7	589.2	632.2
12 h after light	677.45	629.3	725.6
4 h after dark	776.95	614.4	939.5
8 h after dark	700.75	588.1	813.4
12 h after dark	493.65	481.9	505.4