WEATHER GOVERNED BY THE SUN — ABBOT 99 



I 3 5 7 9 II I 3 5 7 9 II 13 15 17 19 21 



FiGUEB 4. — The 11- and 21-month periodicities in Berlin temperatures. Phase domi- 

 nated by the 23-year cycle from 1819. Full and dotted pairs of curves each cover a 

 cycle of 23 years. Under A, wording should read "Mean I, III, IV, VI, VIII, IX." 

 36923—36 8 



