In response to repeated requests to make available the meteorological data obtained at the Biological Station of the University of Michigan at Douglas Lake, Cheboygan County, Michigan, since 1918, the following paper is written, bringing the records to date. The data from 1912 to 1918 were printed in the 21st Report of the Michigan Academy of Science, pages 373 to 378. Yearly summaries have been published for the following years in the Report and Papers of the Michigan Academy of Science: 1919, in the 22nd Report, page 213; 1920 and 1921, in Papers, II. 162-163; and the 1922 summary in Papers, III. 301-302.