Motions of Clouds. 



439 



TABLE XXXVI.— Sums of the Pressures of Wind in Table XXXV. resolved into the four Cardinal 

 Points of the Compass, together with the Value and Direction of the Resultant, for each hour 

 in 1844. 



Mak. 



Sums of Pressures resolvec 



in 



Resultant 













Means with reference to . 





M. T. 



N. 



E. 



s. 



W. 



Sums. 



Whole No. 



of Obs. 



No. of Obs., 

 Wind blowing. 



Directions. 



h. 



lb. 



lb. 



lb. 



lb. 



lb. 



lb. 



lb. 







12 



14-6 



12-3 



28-8 



40-8 



31-8 



010 







26 



W. 26 S. 



13 



120 



16-1 



31-5 



36-5 



28-2 



0-09 







21 



W. 44 S. 



14 



12-8 



15-5 



31-5 



41-4 



31-9 



010 







25 



W. 36 S. 



15 



15-3 



17-1 



30-8 



39-7 



27-4 



0-09 







20 



W. 34 S. 



16 



13-4 



16-4 



32-1 



37-9 



28-5 



0-09 







23 



W. 41 S. 



17 



17-6 



15-6 



31-0 



34-5 



23-2 



0-07 







17 



W. 35 S. 



18 



17-4 



16-5 



33-1 



35-4 



24-6 



0-08 







17 



W. 40 S. 



19 



20-1 



17-7 



40-2 



45-8 



34-5 



0-11 







21 



W. 36 S. 



20 



28-6 



22- 1 



44-1 



58-8 



39-8 



0-13 







20 



W. 23 S. 



21 



36-0 



24-7 



55-4 



73-8 



52-8 



0-17 







26 



W. 22 S. 



22 



39-4 



26-6 



54-9 



79-4 



55-0 



0-18 







25 



W. 16 S. 



23 



46-7 



26-1 



61-5 



83-7 



• 59-5 



0-19 







26 



W. 14 S. 







47-0 



28-5 



65-8 



98-9 



72-9 



0-23 







31 



W. 15 S. 



1 



54-1 



31-2 



631 



109-5 



78-8 



0-25 







33 



W. 7 S. 



2 



62-1 



32-9 



65-0 



102-9 



70-1 



0-22 







30 



W. 2 S. 



3 



46-1 



31-9 



53-8 



89-0 



57-6 



0-18 







25 



W. 8 S. 



4 



40-4 



281 



49-7 



79-1 



51-8 



0-16 







24 



W. 10 s. 



5 



38-3 



26-9 



52-0 



70-3 



45-5 



0-14 







21 



W. 18 S. 



6 



30-6 



24-4 



40-1 



55-3 



32-3 



0-10 







16 



W. 17 S. 



7 



25-4 



20-8 



35-2 



46-7 



27-7 



0-09 







16 



W. 21 S. 



8 



21-4 



18-4 



36-5 



37-8 



24-6 



0-08 



6 



17 



W. 38 S. 



9 



18-6 



15-3 



32-8 



36-5 



25-5 



0-08 







18 



W. 34 S. 



10 



16-2 



18-9 



33-3 



39-5 



26-8 



0-09 







19 



W. 40 S. 



11 



19-7 



17-6 



31-6 



44-5 



29-4 



009 



0-20 



W. 24 S. 



The resultant means are obtained in the manner already described, Table XXXIV. 



TABLE XXXVII. — Differences of the Directions of Motions of the Lower and Upper Currents of Air , 

 as deduced from the Comparisons of the Direction of the Wind and the Motions of the Clouds. 



Currents. 



Quadrant N. 



toE. 



Quadrant E. 



to S. 



Quadrant S. to W. 



Quadrant W. 



toN. 



No. of 

 Results. 



Mean 

 Diffs. of 

 Motion. 



Mean 

 Result. 



No. of 

 Results. 



Mean 

 Diffs. of 

 Motion. 



Mean 

 Result. 



No. of 

 Results. 



Mean 

 Diffs. of 

 Motion. 



Mean 

 Result. 



No. of 

 Results. 



Mean 

 Diffs. of 

 Motion. 



Mean 

 Result. 



Scud minus J 

 Wind ) 



57 

 34 



+ 24 

 -34 



+ 2 



14 

 5 



+ 30 

 -14 



+ 16 



150 

 10 



+ 25 

 -11 



+ 21 



47 

 14 



+ 21 

 -18 



+ 12 





3 









2 









7 









4 









Cir.-str. minus) 

 Wind ) 



28 

 10 



+ 42 

 -60 



+ 14 



12 

 2 



+ 34 

 -17 



+ 25 



103 

 13 



+ 37 

 -21 



+ 30 



33 

 13 



+ 22 

 -31 



+ 7 





2 









1 









3 









3 









Cir.-str. minus) 

 Scud 1 



14 

 17 



+ 41 

 -37 



- 2 



7 

 2 



+ 22 

 - 5 



+ 11 



62 

 13 



+ 27 

 -17 



+ 17 



41 



27 



+ 25 

 -30 



+ 25 





6 









4 









12 









12 









Cirrus minus J 

 Wind. ) 



2 

 6 



+ 60 

 -43 



-17 



5 

 



+ 63 

 



+ 63 



58 

 6 



+ 47 

 -11 



+ 40 



14 



4 



+ 31 

 -40 



+ 12 

























3 









4 









Cirrns minus J 

 Scud. j 



4 

 9 



+ 34 

 -44 



-20 



3 

 



„ + 30 

 



+ 30 



29 

 9 



+ 39 

 -27 



+ 20 



28 

 8 



+ 31 

 -30 



+ 14 

























6 









10 









The scud current includes the cumulus. The directions of the motions of the clouds were obtained in the 

 manner described in the Introduction, and it is believed with more accuracy than the direction of the surface 

 current. 



