condition	mean	min	max
4 h after light	5.745105	4.72397	6.76624
8 h after light	6.935255	6.88694	6.98357
12 h after light	8.969915	8.34035	9.59948
4 h after dark	11.4658	11.2602	11.7109
8 h after dark	12.720633333333334	12.6391	12.7643
12 h after dark	9.22368	9.07763	9.36507