We have had an uncommon cold Season, scarcely more than three days through the whole Summer when a fire has not been agreeable. Our Indian corn will universally fail, our grass, not more than half a crop—our English Grain, promises better. We had Frosts in July. Can Astronomers tell us whether the spots upon the Sun so much the present subject of investigation, are the cause of this uncommon cold—?
— Abigail Adams writes to her son John Quincy Adams, August 7 1816.