WHOLE VOL. NOTKS. NORTH AMERICA 73 



DENVER. COLORADO 



Weather Bureau ol)servations began Nov. 20. 1871. Removals oc- 

 curred July I, 1877, June 13, 1881, Dec. i, 1887, May i, 1891, Oct. i, 

 1895, Dec. 8, 1904, and Jan. 29, 1916. The readings of the barometer 

 are all reduced to its level in 1900, 5290.7 ft. above sea level. 



Heights of thermometers above ground were: 1873-1875, 37 ft. 

 1876-1877, 38 ft. ; 1878-1880. 45 ft. ; T877-1884. 73 ft. ; 1886, 105 ft. 

 1888-1890, 86 -ft. ; 1891-1895, 108 ft. ; 1896, 83 ft. ; 1897-1904, 79 ft. 

 1905-1915, 129 ft.; 1916-1923, 106 ft.; and of the rain gage, 1873- 

 1875, 52 ft.; 1876-1877, 55 ft.; 1878-1880, 86 ft.; 1877-1881, 85 ft.; 

 1882-1887, 86 ft.; 1888-1890, 79 ft.; 1891-1892, 107 ft.; 1893-1895. 

 97ft.; 1896-1904, 74 ft.; 1905-1915, 119 ft.; 1916-1923.98 ft. 



DETROIT, MICHIGAN 



Weather Bureau o])servations began Nov. i, 1870. Removals oc- 

 curred May 15, 1871, Feb. 7, 1881, Nov. 15, 1890, June 4, 1896, 

 Apr. 10, 1901, and June 15, 1907. The readings of the l)aronieter are 

 all reduced to its level in 1900, 729.7 ft. above sea level. 



Heights of thermometers above ground were: 1871-1889, '](y ft.; 

 1881-1890, 61 ft.; 1891-1896, 158 ft.; 1896-1907, 153 ft.; 1908-1923. 

 218 ft.; and of the rain gage, 1871-1880, 80 ft.; 1881-1890, 71 ft.; 

 1891-1895, 144 ft.; 1896-1907, 147 ft.; 1908-1923, 214 ft. 



EASTPORT, AlAINE 



Weather Bureau observations began A])r. i, 1873. Removals oc- 

 curred Jan. I, 1887, Oct. 14, 1893. 'he readings of the barometer are 

 all reduced to its level in 1900, 75.7 ft. above sea level. 



Heights of thermometers above ground were: 1873-188^), 33 ft.; 

 1887-1893, 50 ft.; 1894-1908, 69 ft.; 1909-1923, 67 ft.; and of the 

 rain gage, 1873-1886. 58 ft.; 1887-1893, 43 ft.; 1894-19-23. 62 ft. 



EL PA.SO, TEXAS 



Weather Bureau observations began Apr. i, 1878. Removals oc- 

 curred Apr. 24, 1880, Nov. I, 1881, Nov. i, 1882, Apr. i. 1888. Aug. 8, 

 1894, and Dec. 29, 1907. The readings of the barometer are all re- 

 duced to its level in 1900, 3762.1 ft. above sea level. 



Heights of thermometers above ground were: 1878-1882, 17 ft.; 

 1883-1887, 21 ft.; 1888-1894, 66 ft.; 1895-1907, 10 ft.; 1908-1923, 

 no ft.; and of the rain gage, 1878-1882, 14 ft.; 1883-1887, 34 ft.; 

 1 888-1894, 60 ft. ; 1895-1907, 2 ft. ; 1908-1923, 102 ft. 



