GEOLOGICAL SURVEY OF THE TERRITOEIES. 

 Direction of wind for the month of Sejptemher. 



519 



Direction "whence 



N. 



KE. 



E. 



S.E. 



S. 



S.W. 



W. 



l^.W. 



Total. 







Relative mimber of winds 



4 



5 



9 



6 



6 



11 



7 



4 



52 



Number of observations when tliere was no 

 •wind 



18 























Direction of wind during the Yelloivstone Lake trip, from July 20 to August 27, inclusive. 



Direction whence 



N. 



N.E. 



E. 



S.E. 



S. 



S.W. 



W. 



N.T7. 



Total. 







Relative number of winds 



Number of observations when there was no 

 wind 



10 



7 



3 



5 



14 



18 



13 



8 



78 

 5 























Note. — In the tables for the direction of the wind, the numbers repre- 

 sent the changes in direction. They are not the sums of the observations 

 of each wind j as, where the same wind is noted several times in succes- 

 sion, it is regarded as one wind, and 1 represents it in the tables. 



Relative force of wind for the month of June. 











Direction whence 



N. 



N.E. 



E. 



S.E. 



S. 



S.W. 



W. 



N.W. 







Relative number of observations 



9 

 1.11 



8 

 2.38 



1 

 1. 



11 

 1.91 



10 

 1.9 



11 

 1.3 



7 

 1.9 



11 



Relative force of each wind 



2.5 







Belative force of wind 



for the month of July. 











Direction whence 



N. 



isr.E. 



E. 



S.E. 



S. 



S.W. 



W. 



N.W. 







Relative number of observations 



11 

 1.82 



9 

 1.44 



17 



2.06 



2 

 1. 



25 

 3. 



26 

 2.42 



17 

 1.76 



11 



Relative force of each wind 



1.45 





I, 



Relative force of wind for the month of August. 



Direction whence 



N. 



N.E. 



E. 



S.E. 



S. 



S.W. 



W. 



N.W. 







Relative number of observations 



11 

 1.36 



22 

 2.14 



12 

 1,92 



4 

 1.50 



15 

 2.53 



30 

 2.93 



20 

 2.50 



8 



Relative force of each wind 



1.75 









Relative force of wind for the month of Septemle)'. 



Direction whence 



N. 



N.E. 



E. 



S.E. 



S. 



S.W. 



W. 



N.W. 







Relative number of observations 



6 

 1.83 



14 

 1.55 



10 

 J. 90 





 1.83 



9 

 2.55 



17 



2.24 



12 

 2.33 



5 



Relative force of each wind 



2 



Relative force of wind during the Yellowstone Lake trip, July 20 to August 27, inclusive. 



Direction whence 



N. 



N.E. 



E. 



S.E. 



S. 



S.W. 



W. 



N.W. 







Relative number of observations 



11 

 1.36 



11 

 2.09 



3 

 2.33 



8 

 2. 12 



24 

 2.41 



23 

 1.83 



19 

 2.16 



9 



Relative force of each wind 



1. 7S- 







