condition	mean	min	max
4 h after light	6.2591149999999995	5.19768	7.32055
8 h after light	5.825915	5.61478	6.03705
12 h after light	6.487	6.27755	6.69645
4 h after dark	6.815555	6.73693	6.89418
8 h after dark	5.744785	5.1157	6.37387
12 h after dark	6.77999	6.21953	7.34045