condition	mean	min	max
4 h after light	9.166859500000001	9.049472	9.284247
8 h after light	8.923162999999999	8.901485	8.944841
12 h after light	8.3929425	8.22665	8.559235
4 h after dark	9.009093	8.901485	9.116701
8 h after dark	8.901485	8.901485	8.901485
12 h after dark	8.678648	8.678648	8.678648