NO. 17.] 



WIND. 



267 



WIND-FREQUENCY. SEPTEMBER. 



Taking the sums for the 3 years (2 years for September) we get the following 

 Tables. For the hours 2, 6, 10 a. m. and p. m. on which no observations were 

 made from October 1893 to March 1894, and which are marked by a — in the 

 foregoing Tables, the numbers have been interpolated as the mean of the ziphers 

 for the adjacent points of the compass before taking the 3-yearly means. 



