condition	mean	min	max
4 h after light	7.875109999999999	7.71792	8.0323
8 h after light	9.46213	9.35144	9.57282
12 h after light	8.916599999999999	8.82278	9.01042
4 h after dark	9.877396666666666	8.69656	11.5047
8 h after dark	9.290536666666666	8.50114	10.2175
12 h after dark	10.291863333333334	7.83164	13.2709