1Amos Hamlin to Thomas Jefferson, 12 January 1818 (Jefferson Papers)
I have taken the liberty of sending to You, the result of some Meteorological observations which I have made, in hopes that they may divert some of Your leisure moments —They were undertaken with a View to Aid the Philosophic enquirer & to Subserve the interest of Science— I have kept a Diary of the Weather and of the Diseases that have prevailed in this County for more than two Years past And...
2Enclosure: Amos Hamlin’s Meteorological Observations, [by 12 January 1818] (Jefferson Papers)
Meteorological observations made at Durham, Greene County New York in Lat. 42° 28′ N for the years 1816 & 1817 by Amos Hamlin : 1816 Months Thermometer Farenheits scale Mean Temperature Prevailing Wind. Days Weather— of Aur Borealis of Rain of Thunder of Snow of Tempest January