condition	mean	min	max
3 h after light	18.804766666666666	16.7184	19.9732
6 h after light	21.362	16.0488	24.1814
9 h after light	24.264	21.4321	28.1643
12 h after light	27.453775	22.5444	31.5876
3 h after dark	30.6092	30.0011	30.9399
6 h after dark	23.569366666666667	22.3568	25.4264
9 h after dark	18.634833333333333	16.5755	21.6129
12 h after dark	19.26855	18.1167	20.4204