condition	mean	min	max
4 h after light	50.9719	47.672	54.2718
8 h after light	59.20485	58.8735	59.5362
12 h after light	136.948	131.699	142.197
4 h after dark	181.123	179.708	182.538
8 h after dark	163.10250000000002	158.293	167.912
12 h after dark	108.4735	107.111	109.836