472 



Eighth Annual Report of the 



TABLE 16. 



Date of freezing over of Lake CJiam2Jlain at its vjidest part 

 opposite the city of Burlington,, Vermont ^ also, date of open- 

 ing of the lake, with duration of ice each year from 1816 to 

 1892. 



[From memoranda keptbj' John Johnson, Joseph D. Allen and Charles E. Allen of Burling- 

 ton, V't. (WidUi of lake at point of observation is ten miles.)] 



YEAR. 



1810 



1817 



1818 



1819 



1820.... I 



1821 



1822 



1823 



1824 



1825 



1826 



1827 



1828 



1829 



1830 



1831 



1832 



1833 



1834 



1835 



1836 



1837 



1838 



1839 



1840 



1841 



1842 



1843 



1844 



1845 



1846 



1847 



1848 



1849 



1850 



1851 



1852 



1858 



1854 



Broad lake 

 closed. 



February 



January 



February 



March 



February 



March 



January 



January 



February 



January 



February 



February 



January 



Not closed 



January 

 January 

 January 

 February 

 February 

 April 

 January 

 January 

 January 

 February 

 January 

 January 

 February 18 

 Not clo.sed . . 

 February 26 

 January 25 

 February 3 

 February 10 

 February 15 

 February 13 

 February 7 

 Not closed . . 

 February 1 

 January 18 

 January 28 

 January 28 



Broad lake 

 open. 



April 

 April 

 April 

 April 



aiarch 



5 

 16 

 15 



17 



12 



April 21 



March 30 



April 5 



February 11 



April 1 



March 24 



March 31 



April 

 April 

 April 

 April 

 April 

 April 

 April 

 April 

 April 

 April 

 April 



4 

 12 

 10 

 17 



6 

 21 

 12 

 21 

 28 

 13 



6 



February 20 

 April 26 



April 



April 



March 



March 



April 



March 



March 



23 

 11 

 26 

 30 

 24 

 31 

 30 



March 30 



April 21 



April 10 



1 April 11 



S ?j 



o 



66 

 77 

 Tl 

 44 



38 



96 

 65 

 57 

 20 

 51 

 51 

 09 



64 

 87 

 84 

 71 

 63 

 7 

 92 

 85 

 103 

 70 

 71 

 26 

 67 



66 

 77 

 51 

 48 

 68 

 47 

 51 



47 

 93 

 72 

 73 



YEAR. 



1855 



1856. ..- 



1857 



1858 



1859 



1860 



1861 



1862 



1863 



1864 



Ifc65 



1866 



1867 



1868 



1S69 



1870 



1871 



1872 



1873 



1^74 



1875 



1876 



1877 



1878 



1879 



1880 



1881 



1882 



1883 



1884 



1885 



1886 



1887 



1888 



1889 



1890. . . I 



1891...] 

 1892 



Averages 



Broad lake 

 closed. 



February 



January 



January 



February 



January 



February 



January 



February 



February 



February 



January 



January 



January 



January 



January 



February 



January 



January 



January 



February 



January 



hebru uy 



January 



January 



January 



February 



Januar}' 



January 



January 



January 



January 



January 



January 



January 



February 



Februarj' 



February 



Januar}^ 



February 



February 



January 30 



Broad lake 

 ©pen. 



April 



April 



April 



April 



April 



April 



April 



April 



April 



March 



April 



April 



April 



April 



April 



April 



March 



April 



April 



March 



April 



April 



April 



March 



April 



Jlarch 



March 



March 



April 



April 



April 



April 



April 



April 



April 



February 



February 



January 



February 



April 



April 



20 



18 



9 



6 



2 

 14 

 23 

 26 

 13 



5 

 11 



8 

 15 

 20 

 12 

 12 

 22 

 25 

 27 

 30 

 24 



5 



1 

 2.i 

 28 

 22 



4 

 23 

 19 

 25 

 15 

 30 

 24 

 11 

 11 

 28 

 31 

 27 



3 



c8 d 



cS o 



03 



75 

 87 

 84 

 53 

 81 

 61 

 81 

 77 

 81 

 25 

 78 

 71 

 78 

 99 

 01 

 46 

 47 



105 

 83 

 54 



101 

 82 

 80 

 30 

 33 

 34 

 92 

 71 

 86 



101 

 91 

 80 



111 



91 



64 



1 



7 



4 



13 



47 



66.8 



