WEATHER SHIP "PAPA" (6 YRS. 7 MO. OF DATA) 

 ORIGINAL SURFACE TEMPERATURE DATA 



LAG 

 (DAYS) 



12-MONTH PERIOD REMOVED 



.-MONTH PERIOD REMOVED 



6 MO 12 MO 18 MO 24 MO 



Figure 3. Autocorrelation coefficients for PAPA and ECHO. 



12 



