condition	mean	min	max
0 h after light	25.2043	23.0586	27.35
4 h after light	6.09012	5.45083	6.72941
8 h after light	8.884105	8.82555	8.94266
4 h after dark	19.42185	18.5525	20.2912
8 h after dark	11.86035	11.4457	12.275
12 h after dark	20.7084	18.0208	23.396