condition	mean	min	max
4 h after light	21.91315	20.5619	23.2644
8 h after light	10.47095	10.2821	10.6598
12 h after light	8.85073	7.43506	10.2664
4 h after dark	10.966333333333333	10.6351	11.5955
8 h after dark	15.1912	13.2345	17.2638
12 h after dark	21.049366666666664	20.6424	21.3848