OF THK BAROMETER AT MANCHESTER, 



269 



TABLE I. — Monthly Amounts and Numbers of the Irregular 

 Oscillations of the Barometer at Manchester, front Observa- 

 tions made daily at %h. a.m. by G. V. Vernon, F.R.A.S. 





January. 



February. 



March. 



April . 



Year 



Dscilltns 



No. 



Oscilltns 



No. 



Dscilltns 



No. 



3scilltns 



No. 





Inches. 





Inches. 





Inches. 





Inches. 





1849 











5-402 



15 



4-856 



19 



1850 



7*532 



II 



6-322 



15 



4-479 



16 



6-537 



14 



1851 



6-965 



15 



4-584 



14 



5-715 



18 



Incom 



Dlete 



1852 



io"g6i 



17 



7-320 



14 



3-991 



12 



3-497 



16 



1853 



6-122 



18 



5-677 



14 



5-794 



17 



4-986 



IS 



1854 



6-275 



16 



5-8i8 



15 



5-517 



15 



4-896 



15 



1855 



4-036 



19 



4-742 



14 



8*020 



II 



4-923 



12 



1856 



7-249 



12 



3-871 



20 



3-282 



14 



4-512 



14 



1857 



8-495 



II 



4-040 



14 



7-613 



14 



5-222 



17 



1858 



5-315 



16 



3-770 



13 



6"i64 



II 



5-544 



14 



1859 



4-832 



13 



5-938 



15 



8-186 



14 



5-336 



15 



i860 



9-141 



16 



8-620 



13 



6-995 



20 



4-626 



10 



Means 



6-993 





5-518 





5-929 





4-994 







May. 



June. 



July. 



August. 1 



Year 



Oscilltns 



No. 



Oscilltns 



No. 



Oscilltns 



No. 



Oscilltns 



No. 





Inches. 





Inches. 





Inches. 









1849 



4-727 



14 



3-621 



17 



Incom 



plete 







1850 



3-904 



14 



4-983 



13 



3-131 



17 



... 





1851 



3-885 



II 



Incom 



plete 



5-407 



17 







1853 



3-764 



15 



4-040 



18 



3-089 



16 







1853 



4-423 



II 



2-888 



12 



4-446 



15 







1854 



4-911 



14 



3-369 



II 



3-103 



16 







1855 



4-729 



19 



4-823 



13 



4-063 



14 







1856 



5-478 



12 



4-868 



15 



3-804 



13 







1857 



3-381 



13 



Incom 



plete 



4-265 



16 







1858 



In com 



plate 



2-806 



15 



4-119 



12 







1859 



2-551 



18 



Incom 



plete 



2-637 



18 







i860 



Incom 



plete 



Incom 



plete 



3-179 



14 







Means 



4-175 





3-925 





3-749 











September. 



October. 



November. 



December. 



Year 



Oscilltns 



No. 



Oscilltns 



No. 



Oscilltns 



No. 



Oscilltns 



No. 





Inches. 





Inches. 





Inches. 





Inches. 





1849 



5-011 



II 



7-351 



16 



6-349 



II 



7-322 



15 



1850 



3-503 



II 



6-535 



16 



7-708 



16 



5-061 



II 



1851 



4-108 



14 



5-006 



12 



4-909 



14 



4*210 



14 



1852 



4-939 



13 



5-856 



16 



6-105 



14 



8-572 



22 



1853 



4-365 



10 



Incom 



plete 



4-398 



16 



5-270 



16 



1854 



3.-386 



15 



7-333 



18 



8-083 



13 



8*040 



21 



1855 



3-805 



18 



5-913 



16 



4-160 



13 



6*014 



17 



1856 



5-290 



14 



4-439 



14 



4-568 



II 



8*128 



17 



1857 



Incom 



plete 



5-550 



13 



4-882 



13 



4-750 



15 



1858 



6-234 



15 



5-776 



14 



4-247 



10 



5-765 



18 



1859 



5-292 



17 



6-ii6 



19 



5-174 



13 



7-407 



13 



i860 



4-907 



15 



5-961 



19 



4-888 



15 



6*143 



9 



Means 



4-530 





5-985 





5-456 





6*390 





