condition	mean	min	max
4 h after light	719.0	719.0	719.0
8 h after light	837.85	775.5	900.2
12 h after light	783.8	712.0	855.6
4 h after dark	674.65	523.4	825.9
8 h after dark	517.15	465.8	568.5
12 h after dark	482.8	446.9	518.7