condition	mean	min	max
4 h after light	9.37657	7.75444	10.9987
8 h after light	8.8162	8.69598	8.93642
12 h after light	6.82111	5.45093	8.19129
4 h after dark	3.9034166666666668	2.99717	5.11077
8 h after dark	7.375746666666667	6.18429	8.17416
12 h after dark	5.727313333333333	5.20754	6.03604