condition	mean	min	max
4 h after light	8.306519999999999	7.10702	9.50602
8 h after light	4.37512	4.12537	4.62487
12 h after light	8.649339999999999	8.17986	9.11882
4 h after dark	10.107906666666667	8.67972	11.3131
8 h after dark	14.696299999999999	11.7747	17.1738
12 h after dark	12.263333333333334	11.8669	12.9689