the Thoreau Log. 21 March 1860. Concord, Mass. Thoreau writes in his journal: Colder and overcast. did not look at thermometer; probably not far from 40º (Journal, 13:207). Log Index Log Pages Select... 1817-1832183318341835183618371838183918401841184218431844184518461847184818491850185118521853185418551856185718581859186018611862