condition	mean	min	max
3 h after light	6.133116666666667	5.485	6.64756
6 h after light	5.8342366666666665	4.3587	6.7966
9 h after light	6.532306666666667	5.86863	7.58995
12 h after light	8.40716	7.23497	9.09807
3 h after dark	9.78529	8.1857	11.1737
6 h after dark	8.912373333333333	7.78021	11.0983
9 h after dark	8.64969	7.7271	9.26189
12 h after dark	6.9236699999999995	6.86499	6.98235