condition	mean	min	max
4 h after light	4.047015	3.75659	4.33744
8 h after light	6.7305	6.19785	7.26315
12 h after light	5.990095	5.28926	6.69093
4 h after dark	10.764299999999999	10.1276	11.401
8 h after dark	7.544465	7.45994	7.62899
12 h after dark	6.77151	6.72332	6.8197