JANUARY, FEBRUARY, MARCH 



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43 AVE 

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RAGE NUMBER OF OC- 

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43 AVE 

 CAS 

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AGE NUMBER OF OC- 

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 WHEN WAVES ROSE 

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20 40 60 80 100 120 140 160 180 200 220 240 26 

 DURATION (HOURS) 



PERSISTENCE OF FAVORABLE SEAS «3, 6, 9, 12 FT.) 



) 40 60 80 100 120 140 160 180 200 220 240 260 280 300 

 DURATION (HOURS! 



PERSISTENCE OF UNFAVORABLE SEAS §3,6, 9, 12 FT.) 



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10 20 30 40 50 60 70 80 90 100 



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APRIL, MAY, JUNE 



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RVATIONS 



AGE NUMBER OF OC 



ONS DURING THE SEA- 



WHEN WAVES DE- 



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51 AVE 

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BER OF OC- 



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51 AVERAGE NUM 



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CASIONS DURING THE SEA- 



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SON WHEN WAVES ROSE 

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DURATION (HOURS) 



OF FAVORABLE SEAS (<3, 6, 9, 12 FT.) 



I 40 60 80 100 120 140 160 180 200 220 240 260 280 300 

 DURATION (HOURS) 



PERSISTENCE OF UNFAVORABLE SEAS (p, 6, 9, 12 FT.) 



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10 20 30 40 50 60 70 80 90 100 



FIGURE 3A PORTLAND, MAINE 43°48.4'N., 70°5.5'W. 



