condition	mean	min	max
4 h after light	8.050445	6.65626	9.44463
8 h after light	6.06806	5.81695	6.31917
12 h after light	8.858865	8.2722	9.44553
4 h after dark	8.476806666666667	8.09395	8.97919
8 h after dark	8.496763333333334	8.25437	8.6892
12 h after dark	8.218993333333334	7.74715	8.7136