80 U. S. COAST AND GEODETIC SURVEY 



Table 37. — Set of nontidal current, Boston Light Vessel 



Observations Sept. 22-Dec. 26, 1913 



North East (mag- Tjp,,,]tonf 

 (magnetic) netic) com- -"esuJtani 

 component ponent 



1913 



September i 



October... 



November 



December i 



Series 1913 



I Knot 

 0.00 

 -.05 

 .05 



Knot 

 0.04 

 -.01 

 .01 



velocity 



Direction Direction 

 (magnetic) (true) 



Knot 

 0.04 

 .05 

 .05 

 .04 



Observations June 8, 1926-June 30, 1927 



1926 



June ' 



July 



August 



September 



October , 



November ., 



December 



1927 



January 



February 



March 



April... 



May 



June 



Series 192G-27 



0.07 

 .04 

 .00 

 .00 

 .00 

 .01 

 .02 



0.07 

 .05 

 .00 

 .01 

 .00 

 .02 



120 

 165 

 114 

 136 

 41 

 345 



« Records cover only a portion of the month. 

 For reference to above table, see p. 25. 



Table 38. — Current due to wind, Boston Light Vessel 



Maximum current observed was 1 knot on Apr. 7, 1927, with the wind blowing from the northwest 

 with a velocity from 34 to 40 miles per hour. 

 For reference to above table, see p. 25. 



