condition	mean	min	max
4 h after light	482.2	482.2	482.2
8 h after light	427.9	427.0	428.8
12 h after light	497.45	476.0	518.9
4 h after dark	627.75	614.1	641.4
8 h after dark	549.7	543.6	555.8
12 h after dark	602.85	494.2	711.5