(163) 



TABLE VIT. 



Deviation in the elements of the sun's activity, and 89-year oscillation of the climate. 



I II III IV V VI VII VIII 



a 



Direction of deviation. 



Amount of deviation. 



Rel. Zahlen. 



d 



Cold factors 

 3 Per. of 89 years. 



el 



Cold factors 

 All the 89-year Per. 



All the curves show a corresponding course; the correspondence 

 of the curve of the cold factors with that of the deviations in time of 

 the sun waves is certainly as well indicated as that with the deviations 

 in height. As was to be expected the correspondence does not extend 

 to details, but the strong depression in an interval of 8 eleven-year 

 sun cycles is apparent in all the curves. 



In conclusion a few words on the apparent general increase of 

 the coldfactors during the last centuries, which might be inferred 

 from table I in my First Communication. Does it justify us in 

 assuming a secular refrigeration? 



In my opinion there is no reason for such a conclusion; it seems 

 more probable that it must be explained provisionally at least by 

 the incompleteness of the data for the earlier centuries. The numbers 

 of winters which have a weight 5 according to Koppen are distri- 

 buted as follows over the different centuries (the material for the 

 XlX'h century is not homogeneous with that for the preceding ones). 



Before the year 800 4 winters. 



In the IX century. ... 7 „ 

 X „ .... 5 ,, 

 , .... 7 „ 

 , .... 7 „ 

 , .... 10 „ 

 , .... 6 „ 

 ,, .... 15 ,, 

 ,, .... 16 „ 

 „ .... 21 „ 



,, .... ly ,, 



; .... (16) „ 



