condition	mean	min	max
4 h after light	0.8205475	0.557845	1.08325
8 h after light	0.9403965	0.859963	1.02083
12 h after light	0.736425	0.63609	0.83676
4 h after dark	1.48103	1.46518	1.49688
8 h after dark	1.356725	1.31468	1.39877
12 h after dark	1.09917	1.04944	1.1489