condition	mean	min	max
4 h after light	2.892245	2.5179	3.26659
8 h after light	3.916035	3.87923	3.95284
12 h after light	6.3393049999999995	6.25654	6.42207
4 h after dark	5.375735000000001	4.84644	5.90503
8 h after dark	3.880905	3.84257	3.91924
12 h after dark	3.833895	3.57601	4.09178