condition	mean	min	max
4 h after light	6.508685	6.34299	6.67438
8 h after light	3.67217	3.55797	3.78637
12 h after light	3.24491	2.86401	3.62581
4 h after dark	4.41417	3.86369	4.79979
8 h after dark	5.111776666666667	4.6062	5.55035
12 h after dark	5.53223	3.90323	6.86185