condition	mean	min	max
4 h after light	914.4	914.4	914.4
8 h after light	735.6	674.5	796.7
12 h after light	748.45	708.9	788.0
4 h after dark	788.15	768.0	808.3
8 h after dark	703.0	660.1	745.9
12 h after dark	769.75	717.7	821.8