condition	mean	min	max
0 h after light	8.106355	7.72755	8.48516
4 h after light	4.50148	4.01722	4.98574
8 h after light	4.337315	3.92608	4.74855
4 h after dark	9.52914	8.70448	10.3538
8 h after dark	7.36878	5.95867	8.77889
12 h after dark	6.857570000000001	6.78206	6.93308