condition	mean	min	max
4 h after light	8.25328	7.0124	9.49416
8 h after light	6.053585	5.85471	6.25246
12 h after light	6.7092	6.64494	6.77346
4 h after dark	6.726216666666667	6.32917	7.01186
8 h after dark	8.361823333333334	7.86261	8.72716
12 h after dark	7.163679999999999	6.84782	7.49386