condition	mean	min	max
4 h after light	9.7	9.7	9.7
8 h after light	8.95	8.9	9.0
12 h after light	8.85	8.7	9.0
4 h after dark	27.7	10.5	44.9
8 h after dark	7.050000000000001	6.7	7.4
12 h after dark	6.35	5.7	7.0