170 



MR ROBERT COCKBURN MOSSMAN ON 



Table XXXIX. — continued. 

 Decennial Values. 













Earliest Snow. 



Latest Snow. 



Winter. 















Date. 



Difference from 

 Mean Days. 



Date. 





Difference from 

 Mean Days. 



1770-71 to 1779-80, .... 



November 30 



6 



April 



11 



1 



1780-81 , 



, 1789-90, 









21 



3 





21 



11 



1790-91 , 



, 1799-00, 









December 7 



13 



March 



25 



16 



1800-01 , 



, 1809-10, 









November 17 



7 



April 



30 



20 



1810-11 , 



, 1819-20, 









12 



12 





18 



8 



1820-21 , 



, 1829-30, 









21 



3 





22 



12 



1830-31 , 



, 1839-40, 









28 



4 





17 



7 



1840-41 , 



, 1849-50, 









18 



6 



March 



25 



16 



1850-51 , 



, 1859-60, 









December 11 



17 





28 



13 



1860-61 , 



, 1869-70, 









November 28 



4 



April 



6 



4 



1870-71 , 



, 1879-80, 









16 



8 





1 



9 



1880-81 , 



, 1889-90, 









14 



10 





14 



4 



Mean date, . 









24 





>i 



10 





Note. — Black — days later than average. Italic — days earlier than average. 



Table XL. 

 Days with Hail. 



Year. 



Jan. 



Feb. 



Mar. 



April 



May. 



June. 



July. 



Aug. 



Sept. 



Oct. 



Nov. 



Dec. 



Year. 



1770, . 



1 



1 



2 



1 



1 

















6 



1771, . 





1 









• *» 







... 





... 



"i 



... 



2 



1772, . 









2 



"i 



• • . 





"i 













4 



1773, . 







"i 





2 



2 





1 











"i 



7 



1774, . 







1 





3 





i 











"2 



1 



8 



1775, . 





i 



1 



4 



1 



i 

















8 



1776, . 







2 





2 



1 



"2 













... 



7 



1777, 









"i 





2 









"i 









4 



1778, 









• i . 



4 













"i 







5 



1779, 







"i 





2 



"i 



"i 













... 



5 



1780, 







... 



"i 



5 











"i 







... 



7 



1781, 













1 



1 



1 







2 





1 



6 



1782, 







3 





"3 



6 













"i 



1 



14 



1783, 







2 



' 4 











. . . 



"2 



"2 





2 



12 



1784, 





"i 



3 



3 



"4 







"i 



t. . 





2 



2 



7 



23 



1785, 









3 



1 

















3 



7 



1786, 





i 



"i 



2 



1 







"i 





"i 



i 





... 



8 



1787, 











1 



"2 



2 



1 













6 



1788, 











2 

















2 



4 



1789, 





• • . 





"3 



2 



















5 



1790, 





... 



"i 



1 



8 





i 



i 





i 





2 



"2 



17 



1791, 







3 







2 











1 



3 



1 



! ? 



1792, 







l 







5 





... 





"i 









7 



1793, 





"i 



l 



3 



2 



1 



"i 





i 





i 



"i 





12 



1794, 





*• • 



l 



2 



1 



2 









i 









7 



1795, 









2 



3 



4 



i 











"4 





14 



1796, 









3 



1 



1 



1 



"i 



.. . 





'2 



3 



i 



J3 



1797, 





... 









3 









i 









4 



1798, 





... 





i 

















i 





2 



1799, 





.*. 





1 



*2 





i 









2 



1 





7 



1800, 





... 



"i 



2 





i 





"i 





... 



... 





... 



5 



