condition	mean	min	max
4 h after light	594.5	594.5	594.5
8 h after light	533.7	445.7	621.7
12 h after light	614.65	491.9	737.4
4 h after dark	544.0	415.9	672.1
8 h after dark	513.35	451.3	575.4
12 h after dark	603.8499999999999	530.3	677.4