condition	mean	min	max
3 h after light	10.565983333333334	9.10183	12.9858
6 h after light	5.357003333333333	4.41496	7.06442
9 h after light	4.103203333333333	3.77299	4.36728
12 h after light	4.5003475	3.66888	5.06484
3 h after dark	6.936723333333333	5.65959	8.37118
6 h after dark	6.19002	5.63925	7.14624
9 h after dark	5.19824	4.70126	5.54768
12 h after dark	5.74788	4.84377	6.65199