condition	mean	min	max
4 h after light	2.869825	2.75179	2.98786
8 h after light	3.173965	2.81947	3.52846
12 h after light	4.54388	4.36596	4.7218
4 h after dark	6.190433333333333	5.77149	6.764
8 h after dark	5.152536666666666	4.57787	5.80281
12 h after dark	4.165	3.45695	4.61638