condition	mean	min	max
3 h after light	20.2377	19.1059	21.6321
6 h after light	15.916733333333333	12.4679	18.9516
9 h after light	20.155333333333335	16.317	22.7118
12 h after light	25.109825	22.2915	27.2164
3 h after dark	26.8501	23.185	31.0649
6 h after dark	18.611	17.0389	20.6345
9 h after dark	16.704533333333334	15.6615	17.572
12 h after dark	16.49725	14.1511	18.8434