condition	mean	min	max
4 h after light	637.9	637.9	637.9
8 h after light	607.75	542.2	673.3
12 h after light	569.45	553.5	585.4
4 h after dark	301.4	194.7	408.1
8 h after dark	248.0	167.2	328.8
12 h after dark	242.05	240.9	243.2