18 MR. G. V. VERNON ON THE IRREGULAR BAROMETRIC 



Table II. — Monthly Temperatures at Geneva. 





January. 



February. 







Difference 





Difference 



Year. 



Temperature. 



from average 



Temperature. 



from average 









of 20 years. 





of 20 years. 



1848. 







 24-5 





 -7-0 



ars 





 + 3-6 



1849. 





35'3 



+ 3-8 



36-5 



+ 2*3 



1850. 





27-5 



-4-0 



39'2 



+ 5-0 



1851. 





33*3 



+ 1-8 



34*3 



+0-1 



1852. 





36'! 



+4-6 



36-3 



+ 2-1 



1853- 





377 



-j-6-2 



31-5 



-27 



1854. 





31-8 



+0-3 



30*1 



-4-1 



1855. 





29*2 



-2*3 



35*2 



+ ro 



1856. 





36-3 



+4*8 



37-8 



+3-6 



1857. 





3^'4 



+0-9 



31*6 



-2-6 



1858. 





27'5 



-4-0 



33'o 



— 1*2 



Mean of 



} 











20 years. 



31*5 



•-••§• 



34'2 







March. 



April. 























1848. 





39'9 



+ ro 



49-2 



+2-5 



1849. 





37-8 



— 1*1 



42-8 



-3*9 



1850. 





36-3 



-2-6 



46-5 



— 0"2 



1851. 





387 



— 0"2 



48-4 



+ 17 



1852. 





367 



— 2*2 



46-3 



-0-4 



1853- 





32-8 



-61 



45'2 



-1*5 



1854. 





40*1 



+ 1-2 



49*5 



4-2-8 



1855. 





40*3 



+ 1-4 



46*2 



-0-5 



1856. 





40-4 



+ 1-5 



49-8 



+ 3-1 



1857 





39'4 



+0-5 



45*3 



-1*4 



1858. 





38-8 



— O'l 



51-8 



+ 5-1 



Mean of 

 20 years. 



} 



38-9 





467 







May. 



June. 





















1848. 





567 



-}-2-4 



6ri 



-0-8 



1849. 





55*2 



+o*9 



64-5 



+2-6 



1850. 





51-6 



-27 



62*2 



-j-o-3 



1851. 





50*0 



-4'3 



63-5 



+ 1-6 



1852. 





55*3 



+ ro 



597 



— 2*2 



1853. 





52-5 



-1-8 



6o*i 



-1-8 



1854. 





55*4 



+ 1-1 



6o*i 



-1-8 



1855. 





52*0 



-2*3 



6o'3 



-1-6 



1856. 





51-6 



-27 



62*2 



+0-3 



1857. 





54*9 



4-0-6 



6i'o 



-0-9 



1858. 





52-3 



■ — 2*0 



66-4 



+4-5 



Mean of 



} 











20 years. 



54*3 





6i'9 ! 





