condition	mean	min	max
0 h after light	6.420275	6.32921	6.51134
4 h after light	3.54697	3.15306	3.94088
8 h after light	4.745115	4.06877	5.42146
4 h after dark	7.86876	6.83818	8.89934
8 h after dark	7.525164999999999	7.17479	7.87554
12 h after dark	6.110565	5.92316	6.29797