condition	mean	min	max
2 h after light	13.474258333333333	9.14795	15.4544
6 h after light	8.44168	6.36925	10.6612
10 h after light	8.450135	6.57392	10.8372
14 h after light	11.124486666666666	8.42093	18.4576
18 h after light	12.2736	6.76356	18.6198
2 h after dark	7.756756666666667	5.01941	9.73596