"O that I could find in the desert a wayside shelter for travelers, that I might depart from my people. For they are all adulterers, an unfaithful mob of traitors. Their tongues are devious weapons, bent like drawn bows. With falsehoods rather than truth they have gained power. They commit one crime after another. They do not know me, says the Lord. I will make Jerusalem a heap of ruins, the lair of jackals. I will lay waste to Judah, a desolation where no one can live."
Jeremiah 9:2-3,11
Keep in mind that this is an 'average' and that exogenous events can greatly affect the normalized results.
Chart courtesy of friend Brian at ContraryInvestor. 
Gold Seasonality with Gold 2010 Daily Price Chart Overlay
