condition	mean	min	max
4 h after light	6.883855	5.26619	8.50152
8 h after light	8.925605000000001	8.67958	9.17163
12 h after light	11.68285	10.7715	12.5942
4 h after dark	16.137999999999998	16.1254	16.1506
8 h after dark	13.13455	12.7579	13.5112
12 h after dark	10.04306	9.39212	10.694