condition	mean	min	max
4 h after light	4.380326666666667	3.39671	5.06285
8 h after light	3.6310450000000003	0.846885	5.8326
12 h after light	4.905583333333333	2.61409	6.7124
4 h after dark	8.03341	5.64196	9.6109
8 h after dark	6.838883333333333	5.51733	7.60511
12 h after dark	4.92161	4.48237	5.25386