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



WEATHER SHIP "ECHO" (7 YRS. OF DATA] 



JT- .* «'s 





J L 



TRIPLE ISLAND (21 YRS. OF DATA 



SCRIPPS PIER (40 YRS. OF DATA) 



6 MO 12 MO 18 MO 24 MO 



6 MO 12 MO 18 MO 24 MO 



Figure 3 . Autocorrelation c o eff i c i ent s for residual time series 



14 



