condition	mean	min	max
4 h after light	6.56316	3.03142	9.3974
8 h after light	4.6074633333333335	1.30982	8.09397
12 h after light	5.56162	3.0317	9.25621
4 h after dark	8.40641	5.58559	10.0133
8 h after dark	8.131786666666667	5.32767	9.95527
12 h after dark	10.21378	7.69222	14.0514