condition	mean	min	max
4 h after light	5.84596	5.2284	6.46352
8 h after light	5.026535	4.77477	5.2783
12 h after light	6.337345	6.10459	6.5701
4 h after dark	6.438563333333334	5.92444	6.92035
8 h after dark	6.267963333333333	5.75296	6.62325
12 h after dark	4.80055	4.64488	4.89827