condition	mean	min	max
4 h after light	638.6	638.6	638.6
8 h after light	617.0	605.7	628.3
12 h after light	602.65	545.5	659.8
4 h after dark	601.55	586.1	617.0
8 h after dark	615.3	494.4	736.2
12 h after dark	649.3	643.4	655.2