condition	mean	min	max
0 h after light	11.7925	11.5805	12.0045
4 h after light	3.8983499999999998	3.12084	4.67586
8 h after light	2.67913	2.31322	3.04504
4 h after dark	20.4019	16.1566	24.6472
8 h after dark	15.122	15.0341	15.2099
12 h after dark	9.489235	9.42295	9.55552