dc,Station Number,Year,Month,Day,Mean daily wind speed in km/h,Quality of mean daily wind speed,Number of wind speed readings used,# dc, 70014,1939,03,01, 3.7,Y, 4,# dc, 70014,1939,03,02, 5.9,Y, 4,# dc, 70014,1939,03,03, 5.0,Y, 4,# dc, 70014,1939,03,04, 3.2,Y, 4,# dc, 70014,1939,03,05, 0.9,Y, 2,# dc, 70014,1939,03,06, 6.9,Y, 4,# dc, 70014,1939,03,07, 7.5,Y, 4,# dc, 70014,1939,03,08, 2.7,Y, 4,# dc, 70014,1939,03,09, 3.2,Y, 4,# dc, 70014,1939,03,10, 2.3,Y, 4,# dc, 70014,1939,03,11, 0.5,Y, 4,# dc, 70014,1939,03,12, 2.5,Y, 3,# dc, 70014,1939,03,13, 6.5,Y, 4,# dc, 70014,1939,03,14, 3.2,Y, 4,# dc, 70014,1939,03,15, 1.4,Y, 4,# dc, 70014,1939,03,16, 1.8,Y, 4,# dc, 70014,1939,03,17, 1.8,Y, 4,# dc, 70014,1939,03,18, 0.5,Y, 4,# dc, 70014,1939,03,19, 0.5,Y, 4,# dc, 70014,1939,03,20, 4.1,Y, 4,# dc, 70014,1939,03,21, 3.2,Y, 4,# dc, 70014,1939,03,22, 2.3,Y, 4,# dc, 70014,1939,03,23, 6.1,Y, 4,# dc, 70014,1939,03,24, 7.9,Y, 4,# dc, 70014,1939,03,25, 10.7,Y, 4,# dc, 70014,1939,03,26, 8.9,Y, 4,# dc, 70014,1939,03,27, 5.4,Y, 4,#