condition	mean	min	max
4 h after light	9.647681500000001	8.415566	10.879797
8 h after light	8.888842499999999	8.607783	9.169902
12 h after light	7.380787	7.088607	7.672967
4 h after dark	8.8627185	8.129367	9.59607
8 h after dark	8.510113	8.387326	8.6329
12 h after dark	7.970476	7.970476	7.970476