condition	mean	min	max
4 h after light	13.754100000000001	12.8687	14.6395
8 h after light	6.7312899999999996	5.98725	7.47533
12 h after light	10.62266	6.20072	15.0446
4 h after dark	35.05173333333333	32.6237	38.7713
8 h after dark	50.883	47.3113	55.5013
12 h after dark	56.69813333333333	56.4637	56.9112