condition	mean	min	max
4 h after light	1.50571	1.06069	1.95073
8 h after light	2.327885	2.31209	2.34368
12 h after light	2.61747	2.47616	2.75878
4 h after dark	3.4933633333333334	3.26443	3.66506
8 h after dark	3.86897	3.3647	4.6638
12 h after dark	2.2885733333333333	1.97811	2.61204