condition	mean	min	max
4 h after light	9.638565	9.19073	10.0864
8 h after light	17.4661	16.7515	18.1807
12 h after light	20.069899999999997	18.9135	21.2263
4 h after dark	17.5661	16.2152	19.6905
8 h after dark	24.578233333333333	20.7192	27.9684
12 h after dark	11.377136666666667	9.49701	14.5043