condition	mean	min	max
4 h after light	6.17064	4.99285	8.04017
8 h after light	3.24199	0.96096	5.1894
12 h after light	6.237323333333333	2.99964	10.5371
4 h after dark	6.49049	4.41284	7.90748
8 h after dark	12.960733333333334	11.662	14.8157
12 h after dark	14.601566666666667	11.1321	16.5357