condition	mean	min	max
3 h after light	16.223866666666666	13.4002	18.4626
6 h after light	14.903633333333334	13.4061	16.2557
9 h after light	18.4799	16.6388	21.1005
12 h after light	18.3838	16.8087	19.5924
3 h after dark	19.333	18.1927	21.5931
6 h after dark	23.6567	20.9879	26.6488
9 h after dark	20.892533333333333	20.5819	21.181
12 h after dark	22.26945	20.5106	24.0283