condition	mean	min	max
4 h after light	1.590545	1.55128	1.62981
8 h after light	1.943365	1.77437	2.11236
12 h after light	1.960305	1.56511	2.3555
4 h after dark	2.051745	1.81476	2.28873
8 h after dark	1.94219	1.87203	2.01235
12 h after dark	1.898155	1.89492	1.90139