condition	mean	min	max
4 h after light	3.795185	3.30522	4.28515
8 h after light	3.904555	3.62327	4.18584
12 h after light	3.18934	3.10427	3.27441
4 h after dark	5.043786666666667	4.36031	5.62821
8 h after dark	4.51755	4.0461	5.02488
12 h after dark	4.561343333333333	3.83834	5.1265