condition	mean	min	max
4 h after light	6.798265	6.32665	7.26988
8 h after light	1.653135	1.6165	1.68977
12 h after light	0.961457	0.625704	1.29721
4 h after dark	3.21916	3.09224	3.34608
8 h after dark	7.253145	6.75824	7.74805
12 h after dark	8.594674999999999	8.3918	8.79755