condition	mean	min	max
4 h after light	5.02029	4.84569	5.19489
8 h after light	5.4221	4.99387	5.85033
12 h after light	7.56526	7.05508	8.07544
4 h after dark	9.64929	9.40559	9.89299
8 h after dark	9.14994	8.65493	9.64495
12 h after dark	7.063395	6.85404	7.27275