condition	mean	min	max
3 h after light	13.424766666666667	12.4114	14.6391
6 h after light	14.944899999999999	12.5244	16.47
9 h after light	16.541	15.3302	17.7228
12 h after light	17.780075	16.3642	19.11
3 h after dark	20.8462	20.346	21.7879
6 h after dark	17.70873333333333	16.5739	19.0846
9 h after dark	15.6585	14.2406	17.6679
12 h after dark	15.33185	13.6907	16.973