Meteorological observations includes what Winchell elsewhere described as a complete collection of meteorological observations taken in Michigan from 1823 to 1869, as well as observations he made in Alabama and New York and records of another observer in Sarnia, Ontario.
Alabama (Eutaw) 1850-1852
Michigan (multiple stations)
Temperature, cloudiness, and precipitation 1823-1869
New York (Amenia)
(also includes Eutaw, Alabama, 1851, and Ann Arbor, Michigan, 1854)