condition	mean	min	max
4 h after light	6.46535	5.47099	7.45971
8 h after light	4.5634	3.87128	5.25552
12 h after light	5.3880099999999995	5.2419	5.53412
4 h after dark	7.814864999999999	7.58842	8.04131
8 h after dark	7.042845	6.74744	7.33825
12 h after dark	6.66639	5.72022	7.61256