condition	mean	min	max
4 h after light	278.709204	276.298535	281.119873
8 h after light	254.072191	253.789633	254.354749
12 h after light	266.306304	258.567162	274.045446
4 h after dark	258.3876275	257.694075	259.08118
8 h after dark	266.7320565	252.770518	280.693595
12 h after dark	234.770391	234.770391	234.770391