condition	mean	min	max
3 h after light	8.77773	6.88117	11.8248
6 h after light	6.08276	4.64238	7.65778
9 h after light	6.977313333333333	5.46349	8.55238
12 h after light	7.103047500000001	6.80386	7.62483
3 h after dark	7.538796666666666	7.4142	7.66569
6 h after dark	7.406136666666667	6.95897	8.24752
9 h after dark	5.7207799999999995	5.19182	6.0789
12 h after dark	6.182035	5.5383	6.82577