condition	mean	min	max
4 h after light	8.74967	7.56782	9.93152
8 h after light	5.815355	5.53808	6.09263
12 h after light	7.268845000000001	7.04926	7.48843
4 h after dark	12.221250000000001	11.352	13.0905
8 h after dark	12.4339	11.5362	13.3316
12 h after dark	15.7934	15.625	15.9618