condition	mean	min	max
4 h after light	6846.6	6846.6	6846.6
8 h after light	6295.4	5651.4	6939.4
12 h after light	6810.2	5815.7	7804.7
4 h after dark	7352.85	6750.1	7955.6
8 h after dark	7692.55	7164.6	8220.5
12 h after dark	7279.85	7209.9	7349.8