080 



MR JOHN ATTKEN ON THE NUMBER OF DUST PARTICLES IN THE 



Table II. — The Number of Dust Particles in the Atmosphere for 1892 — continued. 









<4-l 















Place. 



Date. 



Hour. 



Number o 



Particles 



per c.c. 



Wind. 



03 



— 



a J 



CO 



H 



>> 



'a 



State of 

 the Air. 



Remarks. 







July 



















KlNGAIRLOCH 



3 



3 P.M. 



1,125 



S.E 0-2 



57 



2 



Very thick 



Raining. 









6 P.M. 



650 



J> 



58 



1 



jj 



jj 









8 P.M. 



139 



N.W. 1 



54 



)> 



Clear 



Slight rain. 





JJ 



4 



9 A.M. 



900 



N.W. 2 



55 



6 



jj 



Cloud £. 









12 



700 



W. 1 



61 



10 



Very dear 











3 p.m. 



400 



J) 



60 



6 



jj 











6 P.M. 



550 



S. 0-5 



55 



7 



Medium 



(80). Cloud i ; begin- 

 ning to rain. 





}5 



5 



9 A.M. 



70 



N.W. 3 



53 5 



0-5 



Very thick 



Raining. 









1 1 A.M. 



73 



)• 



53 



1 



j> 



jj 









1 P.M. 



280 



N.W. 2 



54 



4 



Thickish 



Rain nearly over. 









4.30 P.M. 



195 



)) 



53 



2 



>) 



Showers. 









7 P.M. 



518 



N.W. 1 



53 



3 5 



)> 



jj 





J) 



6 



9 A.M. 



210 



N.W. 0-5 



54-5 



5 



)> 



jj 









10 A.M. 



750 



S.S.E. 1 



53 



35 



)> 



Light rain. 









12 



775 



S. 1. 



55 



4 



)> 



Raining. 









4 P.M. 



1,000 



S.S.E. 1 



56 



2 



Thick 



jj 









7 P.M. 



350 



N.W. 2 



54 



1 



jj 



jj 





)) 



7 



9 A.M. 



79 



J) 



52-5 



1-5 



Very thick 



Heavy rain. 









10 A.M. 



532 



N.W. 3 



52 



4 



jj 



jj 









1 P.M. 



357 



W. 2 



54 



3 



Clear 



Air clear where free 

 from showers. 









4 P.M. 



413 



N.W. 2 



J) 



4-5 



jj 



jj jj 









7 P.M. 



775 



5J 



53 



4 



Thickish 



Showers. 





JJ 



8 



9 A.M. 



600 



N.W. 1 



)) 



)> 



jj 



jj 









10 A.M. 



451 



)) 



54 



5 



Medium 



jj 









1 P.M. 



1,000 



)) 



53 



2 



Thick 



Raining. 









4 P.M. 



775 



3 J 



54-5 



3 



Thickish 



Showers. 









7 P.M. 



675 



N.W. 2 



52 



1-5 



Thick 



Raining. 







9 



9 A.M. 



575 



W. 0-5 



55-5 



3 



Thickish 



Showers. 









10 A.M. 



550 



W. 0-2 



57 



5 



Clear 



Airclearbetweenshowers. 









1 P.M. 



625 



Variable 



55 



3-5 



Thickish 



Showers. 









5 P.M. 



785 



S.E. 0-2 



J5 



3 



Medium 



Passing showers. 









7 P.M. 



1,650 



Calm 



)J 



4 



Clear 











9 P.M. 



1,775 



N.W. 0-2 



53 



3-5 



Medium 



Cloud L 





JJ 



10 



9 A.M. 



1,500 



S.E. 0-5 



54 



3 



Clear 











10 A.M. 



1,450 



>) 



56 



5 



j> 



Cloud L 









4 P.M. 



4,500 



NW. 0-2 



61-5 



8 



u 



(150). 









5 P.M. 



2,900 



J) 







jj 











6 P.M. 



2,600 



>) 







jj 





i 







G.30 p.m. 



2,000 



)> 







jj 











7 P.M. 



1,450 



)) 



60 



8 



Very clear 



Cloud -yL. 









9 P.M. 



925 



J) 













jj 



11 







E.S.E. 0-2 







Thickish 







JJ 



12 



10 A.M. 



385 



S.E. 1 



60 



8 



Very clear 



(200). Cirrus L 









1 P.M. 



1,125 



E. 1 



62 



9 



u 



(200). Cirrus |. 









4 P.M. 



900 



?> 



65 



j) 



jj 



(200). 









7 P.M. 



490 



N.E. 1 



62 



)> 



jj 



(200). Wind N.E. on 

 Loch Linnhe all day. 





JJ 



13 



10 A.M. 



900 



E. 1 



60 



8 



jj 



(250). Carry N.E. ; 

 cloud -\. 









1 P.M. 



3,150 



E. 2 



64-5 



9 



jj 



(250). Cloudless. 









4 P.M. 



1,762 



E. 1 



67 



10 



jj 



(250). Cloudless. 





