condition	mean	min	max
0 h after light	2.45608	1.63933	3.27283
4 h after light	1.96848	1.9361	2.00086
8 h after light	4.436755	4.20935	4.66416
4 h after dark	5.14992	3.54974	6.7501
8 h after dark	5.18449	3.86799	6.50099
12 h after dark	1.9397	1.91834	1.96106