condition	mean	min	max
4 h after light	5.80386	5.64541	5.92583
8 h after light	5.71115	5.45748	6.03191
12 h after light	5.9557633333333335	5.86642	6.04614
4 h after dark	6.01687	5.87861	6.1195
8 h after dark	6.044076666666666	5.92821	6.26585
12 h after dark	6.081973333333333	6.0039	6.18509