condition	mean	min	max
0 h after light	6.228555	6.03532	6.42179
4 h after light	4.04173	3.71013	4.37333
8 h after light	4.35169	4.32292	4.38046
4 h after dark	6.28735	6.04693	6.52777
8 h after dark	6.188585	5.93345	6.44372
12 h after dark	4.941285000000001	4.52725	5.35532