condition	mean	min	max
4 h after light	7.862753	7.578537	8.146969
8 h after light	7.124117	6.829046	7.419188
12 h after light	7.687607	7.514383	7.860831
4 h after dark	7.236537	6.825458	7.647616
8 h after dark	7.197105499999999	6.879828	7.514383
12 h after dark	7.454294	7.454294	7.454294