condition	mean	min	max
0 h after light	5.1759450000000005	4.90397	5.44792
4 h after light	3.60447	3.34736	3.86158
8 h after light	2.93086	2.89338	2.96834
4 h after dark	4.662765	4.18739	5.13814
8 h after dark	5.230645	4.94024	5.52105
12 h after dark	4.957125	4.47365	5.4406