History of Weather Observations at Denver, CO since 1872

National Weather Service Denver/Boulder Office

Picture of ASOS at DIA

Overview

Unofficial weather observations at Denver began in the late 1850's. The US Army Signal Corp started taking observations on November 10, 1871, however official observations didn't begin until January 1, 1872. A historical list of official observation sites follows.

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16th and Larimer, The Denver Public Library, Western History Collection, Call # X-23332.

Special thanks to the Denver Public Library for allowing us to use the old photographs in this story map.