condition	mean	min	max
4 h after light	4.91323	3.87275	5.95371
8 h after light	2.614275	2.57263	2.65592
12 h after light	3.58074	3.29944	3.86204
4 h after dark	6.396215	6.38449	6.40794
8 h after dark	6.336515	6.25036	6.42267
12 h after dark	5.33591	4.80063	5.87119