condition	mean	min	max
0 h after light	4.73757	4.52599	4.94915
4 h after light	3.189615	2.97492	3.40431
8 h after light	2.92227	2.56084	3.2837
4 h after dark	4.00121	3.73504	4.26738
8 h after dark	4.409695	3.76751	5.05188
12 h after dark	3.475855	2.4318	4.51991