condition	mean	min	max
4 h after light	517.4	517.4	517.4
8 h after light	487.4	417.5	557.3
12 h after light	553.15	469.9	636.4
4 h after dark	592.1	578.7	605.5
8 h after dark	639.9	565.3	714.5
12 h after dark	642.55	642.2	642.9