New York Weather Bureau. 



475 



TABLE 20. 



Dates of opening navigation on Lake Erie^ at Buffalo, from 1807 

 to 1890, and dates of closing navigation from 1871 to 1890. 

 Records from 1807 to 1871, from New York Regents'' Reports. 

 Remaining records from reports to the Chief Signal Officer. 



c8 



1807. 

 1808. 

 1809. 

 1810. 

 1811. 

 1812. 

 1813. 

 1814. 

 1815. 

 1816. 

 1817. 

 1818. 

 1819. 

 1830. 

 1821. 

 1823. 

 1833. 

 1824. 

 1835. 

 1836. 

 1827. 



Navigation 

 opened. 





1871.. 

 1872.. 

 1873.. 

 1874.. 

 1875. . 

 1876.. 

 1877.. 

 1878.. 

 1879. . 

 1880.. 

 1881.. 

 1882.. 

 1883.. 

 1884.. 

 1885.. 

 1886.. 

 1887. . 

 1888.. 

 1889.. 

 1890.. 



Av'ge 



Navigation 

 opened. 



April 1 

 May 5 

 April 29 

 April 18 

 May 12 

 May 10 

 April 20 

 March 16 

 April 24 

 March 19 

 May 1 

 March 26 

 April 25 

 April 23 

 May 2 

 April 15 

 April 17 

 April 28 

 April IS 

 March 31 



April 7 



Navigation 

 closed. 



December 



December 



November 28 



December 5 



December 



December 



December 



December 



December 



December 



December 



December 



December 



December 



November 



December 



December 



December 



December 



27 

 18 



11 



17 



13 

 7 



14 

 8 



30 

 1 

 7 

 6 

 9 

 7 



14 

 6 



14 



December 9 



