condition	mean	min	max
4 h after light	249.1	249.1	249.1
8 h after light	291.95	256.5	327.4
12 h after light	224.5	194.9	254.1
4 h after dark	262.35	185.4	339.3
8 h after dark	245.1	237.5	252.7
12 h after dark	274.5	255.5	293.5