condition	mean	min	max
4 h after light	1.445335	1.09906	1.79161
8 h after light	0.66955	0.572438	0.766662
12 h after light	0.5548415	0.388404	0.721279
4 h after dark	0.783266	0.344392	1.22214
8 h after dark	0.8130035	0.809408	0.816599
12 h after dark	1.385615	1.29734	1.47389