34 RESULTS OF METEOROLOGICAL OBSERVATIONS 



Diagram L. 



The north and the southwest winds are the prevailmg winds during the year, 

 and the northeast and the east winds are the least frequent. 



Annual Variation in the Relative Frequency of the Wind. 



In the folloAving Table VI the results of the observations are arranged according 

 to months and seasons. 



Table VI. 



Montli and Seas 



January 

 February . 

 March 

 April . 

 May . 

 June . 

 July . 

 August 

 September . 

 October 

 November . 

 December . 



Spring 

 Summer 

 Autumn 

 Winter 



Year . 



H". 



W. 



E. 



S. W. 



N. E. 



N. W. 



S. E. 



107 



no 



169 

 176 

 145 

 175 

 173 

 155 

 100 

 119 



157.5 



153.5 



184 



200 



181 



150 



187 



210.5 



178 



199 



114 



133.5 



137 



120 



121 

 98 

 85 

 95.5 

 75.5 

 59.5 

 80.5 

 96.5 



155.5 



163 



36.5 



81 



36 



43 



32 



31 



48.5 



39 



52 



47 



41 



54 



181.5 



171 



168.5 



160.5 



157 



205 



206 



141 



125 



151 



201 



151.5 



26.5 



27.5 



32 



37 



28 



26 



27 



40 



43 



30 



30 



21 



74 

 107.5 

 104 



69 



74 



47 



47 



33.5 



46 



58 



72 



86 



54 



56 



58.5 



71 



76 



108.5 

 75 

 68.5 

 59.5 

 53.5 



386 

 496 

 428 

 328.5 



565 

 547.5 

 491 

 444.5 



304 

 230.5 

 332.5 

 420 



111 

 118.5 

 140 

 121.5 



486 

 552 

 477 

 504 



97 



93 



103 



75 



247 

 127.5 

 176 

 267.5 



205.5 

 225.5 

 203 

 163.5 



1638.5 



2048.0 



1287.0 



491.0 



818.0 



797.5 



The above results show comparatively small changes in the seasons ; the W. and 

 N. W. wind blow more frequently in winter, and the S. wind more frequently in 

 summer. 



The proportional numbers for each season are as follows : — 



Season. 



s. 



N. 



w. 



E, 



s, w. 



N. E. 



N W. 



S E. 



Spring ..... 

 Summer ..... 



Autumn 



Winter 



161 

 208 

 182 

 141 



235 

 230 

 209 

 192 



127 



96 



142 



181 



46 

 49 

 59 

 52 



202 

 231 

 204 

 217 



40 

 39 

 43 

 32 



103 

 53 

 75 



115 



86 

 94 

 86 

 70 



