TABLE 6 

 TRENDS AND VARIABILITY 

 AREA^ AND U.S.^ MEANS 

 1940 THROUGH 1980 



Northern East Coast 

 Trend 



Standard Error of Trend 

 Variability^ 



2.6 mm/yr 

 ± .3 mm/yr 

 ±24.5 mm 



.009 ft/yr 

 +.0011 ft/yr 

 ±.080 ft 



Southern East Coast 

 Trend 



Standard Error of Trend 

 Variability^ 



1.9 mm/yr 

 ± .4 mm/yr 

 ±31.1 mm 



.006 ft/yr 

 ±.0013 ft/yr 

 ±.102 ft 



Gulf Coast 

 Trend 



Standard Error of Trend 

 Variability^ 



1.5 mm/yr 

 ± .4 mm/yr 

 ±29.5 mm 



.005 ft/yr 

 ±.0013 ft/yr 

 ±.097 ft 



Southern West Coast 

 Trend 



Standard Error of Trend 

 Variability^ 



1.0 mm/yr 

 ± .4 mm/yr 

 ±27.2 mm 



.003 ft/yr 

 ±.0012 ft/yr 

 ±.089 ft 



Northern West Coast 

 Trend 



Standard Error of Trend 

 Variability^ 



- .4 mm/yr 

 ± .3 mm/yr 

 ±25.9 mm 



-.001 ft/yr 

 ±.0011 ft/yr 

 ±.085 ft 



From area yearly mean sea level values rather than means of station trends, et 

 cetera, in area. 



From means of area yearly mean sea level values rather than means of area 

 trends, et cetera. 



Standard Error of Estimate. 



27 



