1Thomas Jefferson to Jacob Bigelow, 11 April 1818 (Jefferson Papers)
I thank you, Sir, for the comparative statement of the climate s of the several states, as...
2Enclosure: Thomas Jefferson’s Summary of Weather Observations, 1810–1816, [ca. 11 April 1818] (Jefferson Papers)
1. the greatest & least height of the thermometer every day. 2. the greatest, least, & mean...