condition	mean	min	max
4 h after light	4.36573	3.35607	5.37539
8 h after light	4.214465000000001	3.84133	4.5876
12 h after light	5.152065	4.83572	5.46841
4 h after dark	7.416145	7.12739	7.7049
8 h after dark	7.930075	7.73212	8.12803
12 h after dark	6.383195000000001	5.95319	6.8132