Figures Cont'd: 



No . Page 



8. Decade meams, averaged by seasons, for the principal 

 regional indices described in text. (a) Winter (Dec, 

 Jan., Feb.), (b) Spring (Mar., Apr., May), (c) Summer 



(June, July, Aug.), (d) Autumn (Sept., Oct., Nov.) .... 11-12 



9. Smoothed and unsmoothed time series graphs of Califor- 

 nia index for period 1946-57 13 



10. Smoothed time series graphs for period 1926-57. (a) 

 Kuroshio index, (b) Westerly index, (c) Trade index, (d) 

 California index, (e) Oyashio index, (f) Alaska index ... 15 



11. January Triple Island sea surface temperatures and Janu- 

 ary pressure differences at location 8, for period 1941-57. 15 



No. 



TABLES 



1. Pressure differences (PD) and anomalies (DEV) at locations 



1-36, 1926-57 18 



2. Pressure differences (PD) and anomalies (DEV) at locations 



1-36, 1958 90 



3. Pressure differences averaged for locations 26a and 27a, 



1926-58 91 



4. Cross-current wind components at locations 3a to 6a, 



1946-58 92 



5. Regional averages of pressure differences (PD) and anoma- 

 lies (DEV) for selected locations representing wind com- 

 ponents tcingential to, and normal to, the underlying ocean 

 current 94 



6. "Maximum" wind components in the regional of westerlies . . 104 



7. Average monthly pressure differences at individual loca- 

 tions for base reference period 1949-58 106 



8. Average monthly regional index values for base reference 



period 1949-58 107 



9. Monthly mean sea surface temperature at Triple Island, 



B.C., in "F, for December through April, 1941-57 108 



IV 



