condition	mean	min	max
4 h after light	12.811746666666666	12.79225	12.829880000000001
8 h after light	12.86501	12.83601	12.89713
12 h after light	12.890193333333334	12.8593	12.93105
4 h after dark	12.82105	12.69962	12.88504
8 h after dark	12.678916666666666	12.60642	12.75586
12 h after dark	12.71427	12.641910000000001	12.75576