REGION PREVATLING MEAN SPEED SPEED CATEGORIES (KNOTS) _ TOTAL 
DR (GB) KN Op OROMOn (alee aseilO) 2RO-eR D256 EREO. 
West of 
45 °W 110 HAO 1.0 2.0 12.5 TK) O.5 55 
Between 
45° and 
20°W O75 0.9 21.0 26.0 10,0 2.5 0.5 60 
East of 
20°W 095 0.8 30.5 30.5 1a55 ILS =~ 70 
Table 3 Percent frequency of speeds by region, northern summer (July, August, 
September ) 
alae 
