condition	mean	min	max
4 h after light	5.739375	5.14269	6.33606
8 h after light	2.90522	2.82207	2.98837
12 h after light	3.44236	1.50379	5.38093
4 h after dark	8.916583333333334	8.21142	9.76559
8 h after dark	4.82967	4.04262	5.45991
12 h after dark	5.541533333333334	4.34908	7.23052