condition	mean	min	max
4 h after light	540.0	540.0	540.0
8 h after light	734.5	717.0	752.0
12 h after light	825.3	727.4	923.2
4 h after dark	672.45	597.9	747.0
8 h after dark	794.1	740.2	848.0
12 h after dark	739.85	623.0	856.7