condition	mean	min	max
4 h after light	6.7	6.7	6.7
8 h after light	8.15	8.0	8.3
12 h after light	6.65	5.8	7.5
4 h after dark	9.5	3.2	15.8
8 h after dark	5.949999999999999	5.6	6.3
12 h after dark	4.050000000000001	3.7	4.4