214 



PROFESSOR C. PIAZZI SMYTH ON 



Table XIX.— SCOTTISH COUNTRY AND TOWN STATIONS, METEOROLOGY OF. 

 Aurora. — Mean Number op Days on which Aurora was observed at the Reporting Stations. 





Jan. 



Feb. 



March. 



April. 



May. 



June. 



Jnly. 



Aug. 



Sept. 



Oct. 



Nov. 



Dec. 



Mean Month 



of Observed 



Quantities 



Successive 

 Means of 

 the Accu- 



Year. 



























I 



















Ob. 



Ace. 



Ob. 



Ace. 



Ob. 



Ace. 



Ob. 



Ace. 



Ob. 



Ace. 



Ob. 



Ace. 



Ob. 



Ace. 



Ob, 



Ace. 



Ob. 



Ace. 



Ob. 



Ace. 



Ob. 



Ace. 



Ob. 



Ace. 



in each 



mulating 







Mn. 





Sin. 





Mn. 





Mn. 





Mn. 





Mn. 





Mn. 





Mn. 





Mn. 





Mn. 





Mn. 





Mn. 



Year. 



Years. 



1856 























































1857 























































1858 























































1859 























































1860 



2 





3 





3 





2 











1 











3 





2 





2 





2 





1 





1-8 





1861 



2 



2'o 



2 



2*5 



2 



2'5 



2 



2"o 



6 



3"° 







°"5 



1 



°'S 



] 



2'0 



5 



3 '5 



3 



2 '5 



2 



2'0 



3 



2'0 



2-4 



2'I 



1862 



2 



2'o 



2 



2 "3 



2 



2- 3 



2 



2'o 



1 



2- 3 







o'3 







°'3 



3 



2 '3 



2 



3'° 



3 



27 



4 



2'7 



2 



2'0 



1-9 



2'0 



1863 



2 



2 - 



2 



2'2 



2 



2'2 



3 



2 "2 



1 



2'0 







0'2 







0'2 



2 



2 '2 



2 



2-8 



2 



2'S 



3 



2'8 



3 



2 '2 



1-8 



2'0 



1864 



2 



2X> 



2 



2 '2 



3 



2 '4 



2 



2'2 



1 



I "8 



1 



°'4 



1 



o'4 



o 



2 '2 



3 



2'8 



■2 



2 -4 



2 



2'6 



2 



2'2 



1-9 



2'0 



1865 



4 



2 '3 



2 



2 '2 



2 



2 '3 



2 



2'2 



2 



i-8 







o'3 



1 



°'5 



2 



2 '2 



4 



3"° 



3 



2'S 



3 



2'7 



3 



2 '3 



2-3 



2'0 



1866 



7 



3'° 



4 



2 - 4 



2 



2 "3 



3 



2'3 



1 



i'7 







o'3 



1 



o'6 



1 



2'0 



3 



3'° 



2 



2 -4 



3 



27 



2 



2- 3 



2-4 



2'I 



1867 



2 



2*9 



2 



2 '4 



3 



2'4 



3 



2 '4 



2 



1-8 







0'2 







°'5 



2 



2'0 



3 



3'° 



3 



2 '5 



3 



2'8 



2 



2 '2 



21 



2'I 



1868 



2 



2-8 



3 



2 '4 



2 



2-3 



2 



2 - 3 



2 



i-8 







0'2 







°'4 



2 



2'0 



3 



3'° 



3 



2'6 



2 



27 



2 



2 '2 



1-9 



2'I 



1869 



2 



2 '7 



3 



2\5 



3 



2 "4 



2 



2 '3 



1 



1 7 







0'2 







°'4 



2 



2'0 



3 



3'o 



2 



2'S 



3 



27 



3 



2 '3 



2-0 



2'0 



1870 



3 



27 



2 



2\5 



4 



2\5 



4 



2\5 



1 



i-6 







0'2 



1 



°'5 



3 



2'I 



3 



3"° 



4 



2'6 



3 



27 



3 



2 ' 4 



2-6 



2'I 



1871 



4 



2-8 



3 



2\5 



2 



2 '5 



2 



2 '4 



1 



i-6 







0'2 







o'4 



2 



2'I 



2 



2 -9 



2 



2'6 



2 



27 



3 



2 -4 



1-9 



2'I 



1872 



2 



2-8 



1 



2 "4 



4 



2-6 



2 



2 "4 



1 



i "5 







0'2 



1 



°'S 



2 



2'I 



2 



2'8 



3 



2'6 



4 



2'8 



3 



2 '5 



2'1 



2'I 



1873 



3 



2-8 



3 



2 "4 



1 



2-5 



2 



2-4 







i\5 







O'l 







o'4 



1 



2'0 



3 



2 '9 



3 



2'6 



2 



27 



1 



2 -4 



1-6 



2'I 



1874 



2 



2 7 



2 



2 "4 



2 



2'5 



2 



2- 3 



1 



i '4 







O'l 







o' 4 



2 



2'0 



2 



2'8 



2 



2'6 



2 



27 



2 



2 '3 



1-6 



2'0 



1875 



1 



2-6 



2 



2-4 



2 



2 - 4 



1 



2'2 



1 



i '4 







O'l 







o'4 



1 



2'0 



2 



2'8 



2 



2'6 



2 



2'6 



1 



2 '2 



1-2 



2'0 



1876 



2 



2-6 



1 



2 3 



1 



2-4 







2"I 







i '3 







O'l 







o'4 



4 



2"I 



3 



2'8 



1 



2'S 







2'S 



1 



2 '2 



I'O 



•f'9 



1877 



1 



2'5 



2 



2 - 3 







2 - 2 







2'0 



1 



I- 3 







O'l 







°'3 







2'0 



1 



27 



1 



2 '4 



1 



2 -4 







2 



0'6 



i'8 



1878 



3 



2'5 



1 



2 '2 



1 



2 - 2 



2 



2'0 







I '2 







O'l 







°"3 



1 



I '9 







2'S 







2 '3 







2 '3 



1 



2'0 



0'8 



i'8 



1879 







2-4 



1 



2 - 2 



3 



2 - 2 



1 



2'0 







1*2 







O'l 







°'3 







i'8 







2 '4 







2 '2 



1 



2 '2 



2 



2'0 



0-7 



i'7 



1880 







2 '3 







2'0 



1 



2'I 



1 



1-9 



1 



I'l 







O'l 







°'3 



2 



i'8 







2 '3 



2 



2'I 



2 



2 '2 



2 



2'0 



9 



i'7 



1881 



1 



2 '2 



2 



2'0 



1 



2'I 



1 



I '9 







I 'I 







O'l 



1 



°'3 



1 



i'8 



2 



2 '3 



1 



2 P I 



3 



2 '2 



2 



2'0 



1-3 



1 '7 



1882 



2 



22 



1 



2'0 



2 



2'I 



2 



i-9 







I'O 







O'l 







°'3 







17 



3 



2 '3 



2 



2"I 



3 



2'3 



3 



2'0 



1-5 



i'7 



1883 



2 



2 '2 



2 



2'0 



2 



2'I 



1 



i-8 







I'O 







O'l 







o'3 







i'6 





2 2 



2 



2'I 



2 



2 '3 



1 



2'0 



1-1 



i'6 



1884 







2'I 



1 



2'0 



1 



2'0 



2 



i-8 



1 



I'O 



1 



O'l 







°'3 







16 





2 '2 



2 



2 P I 



1 



2'2 



2 



2'0 



I'O 



i'6 



1885 







2 



1 



I- 9 



1 



2'0 



1 



r8 



1 



I'O 







O'l 



1 



°"3 







1 '5 





2 '2 







2'0 



1 



2 '2 



2 



2'0 



0'8 



i'6 



1886 



1 



2'0 



1 



I '9 



1 



2'0 



1 



i-8 



2 



I'O 



1 



O'l 



1 



°'3 



1 



!'5 





2'I 



2 



2'0 



2 



21 



1 



2'0 



1-2 



i'6 



1887 



2 



2'0 



2 



I- 9 



2 



2'0 



1 



i -8 







I'O 







O'l 







°'3 



1 



1 '5 





21 



1 



2'0 



1 



2'I 



2 



2'0 



1-1 



1 -6 



