condition	mean	min	max
4 h after light	6.005575	4.80557	7.20558
8 h after light	6.609585	6.28062	6.93855
12 h after light	8.32485	7.49371	9.15599
4 h after dark	9.907070000000001	9.17214	10.642
8 h after dark	8.593805	8.35617	8.83144
12 h after dark	7.5924499999999995	7.56046	7.62444