condition	mean	min	max
0 h after light	3.28662	3.0055	3.56774
4 h after light	5.67373	4.79194	6.55552
8 h after light	7.27949	7.09841	7.46057
4 h after dark	7.57799	6.39604	8.75994
8 h after dark	6.171665	5.39562	6.94771
12 h after dark	3.43435	2.59124	4.27746