ms 



1890 



1895 



1900 



Figure 59. S : relative sun spot numbers. The observed monthly mean 

 minus the smoothed monthly mean according to Wolfer. S : the smoothed 

 monthly mean of relative sun spot numbers according to Wolfer. T : tem- 

 perature curve for Petersen's combined twelve stations Channel to New York. 

 LI, LIV, LVII : temperature curves for Liepe's stations I, IV, and VII 

 at 47°, 30° and 8° north latitude, 6", 15° and 35° west longitude. A: the 

 monthly anomalies of the observed temperature values. B : the same with 

 twelve-monthly smoothing from values A. C : the same with thirty-three 

 monthly smoothing from values B. 



