1873.] between Rainfall and Sun-spot Periodicity. 303 



Table VI. 



Stations. 



1854. 



1855. | 1S56. 



1857. 



1858. 



1859. 



Pean Yau 



Providence 



in. 



47 "34 

 47'43 

 47-84 

 43-03 

 33-22 

 45-00 

 45-90 



43" 13 

 35-57 

 19-66 

 37-10 



in. 



48-18 



48- 94 



3 6 "44 

 44-10 



47- 62 

 4.3-10 



49- 56 



45'i7 



48- 07 

 29-96 

 39-05 



in. 



40-13 

 35-70 

 32-98 



39'5° 

 28-62 



3o-34 

 34-35 

 32-32 

 23-18 

 21-68 

 4o"97 



in. 



47-66 

 49-87 

 38-59 



43*45 

 38-22 



47- 80 

 46-72 



48- 66 

 39*66 

 44-90 

 4475 



in. 



42-57 



41- 94 



42- 42 

 53-68 

 45-64 

 40*10 

 4i*35 

 40-3 1 



4* 71 



26-78 



44" 5 1 



in. 



51-28 

 48-28 

 4991 



45'59 

 42-42 



5I-65 

 50-66 



47-63 



44*33 

 29-15 

 45-16 





445-22 



480-19 



359*77 



490-28 



468-01 



506-06 





40-47 



43-60 



32-71 44-57 



42'55 



46-01 



These American observations are the only additional ones we have for 

 the above period; and they make 1856 the minimum-rainfall year. 

 Combining the means in Tables V. and VI., we get : — 



Table VII. 





1854. 



1855. 



1856. 



1857. 



1858. 



1859. 





in. 



in. 



in. 



in. 



in. 



in. 





32-25 



34*33 



31-70 



34*73 



33*96 



38-21 



showing that the means of twenty-two stations still make 1856 the 

 minimum-year. 



Table VIII. (Minimum-year, 1867). 



Stations. 



1863. 



1864. 



1865. 



1866. 



1867. 



1868. 





in. 



in. 



in. 



in. 



in. 



in. 





24*70 



23-90 



27-90 



25-70 



30-50 



33-60 





19-80 



16-90 



28-70 



30-70 



28-40 



25-10 





33-42 



24-15 



44*73 



20-57 



35*97 



64-18 





68-82 



47-00 



24-11 



37-24 



61*04 



35*98 





25-60 



18-90 



18-70 



19-20 



22-90 



22-90 





172-34 



i4°-85 



144-14 



133-41 



178-81 



181-76 





34*47 



28-17 



28-83 



26-68 



35-76 



36-35 



The driest year at these stations was 1866 ; and 1867 was one of the 

 rainiest years. 



