ATMOSPHERE OF GREAT BRITAIN AND ON THE CONTINENT. 



669 



Table I. — The Number of Dust Particles in the Atmosphere for 1891 — continued. 









*4-t 



















O m 





k 



>> 







Place. 



Date. 



Hour. 



Number 

 Partick 

 per c.c 



Wind. 



PL, £ 



a s 



<x> 



Eh 



^3 



a 



State of 

 the Air. 



Remarks. 





May 

















Locarno . . 



17 



4 P.M. 



5 P.M. 



975 

 1,750 



N.E. 2 



1} 



50-5 



13-5 



Very clear 



Near Contra; 1500 feet 



up. 

 500 feet up. 



JJ 



18 



9 A.M. 



1,575 



E. 0-2 



53 



12 



)? 



On lake-side. 



VlTZNAU . . 



19 



10.30 A.M. 



2,100 



W. 1 



52 



3 



Thick 





Rtgi Kulm . 



19 



1 P.M. 



417 



W. 2 



38-2 



3-7 



Clear 



Snow-showers. 







2.30 p.m. 



690 



W. 3 



35 



2 



Thick 



j? 







6 P.M. 



600 



Variable 



36 



3 



Clear 



Occasional snow-showers. 







7 P.M. 



428 



S. to W. 



j) 



JJ 



Very clear 



Snow stopped ; Hoch- 

 gerrach J hazed. 



)> 



20 



9 A.M. 



618 



S.W. 1 



44-5 



6-7 



>) 



Hochgerrach ^ hazed. 







9.30 a.m. 



683 



J) 



>j 



JJ 



jj 



Fine all day with but 

 little cloud ; the Jura 

 Mountains were vis- 

 ible in the evening. 







12 



471 



JJ 



48-2 



7-2 



jj 









4 P.M. 



357 





46 



8 



Clear 









6 P.M. 



326 



S.W. 3 



44 



7 



JJ 



Hochgerrach just visible. 



)) 



21 



9 A.M. 



393 



JJ 



50-2 



9 



Extremely 

 clear 



Hochgerrach ^ hazed ; 

 the Jura visible all 

 day. 







9.30 a.m. 



378 



JJ 



Jl 



JJ 



)> 









12 



385 



S.W. 2 



54 



10 



>> 









4 P.M. 



458 



W.S.W. 2 



50 



9 



j? 



Between 4 and 6 p.m. 

 the numbers were un- 

 steady, rising to 3000. 







6 P.M. 



2,000 



S.E. 2 



49 



4 



?> 









7 P.M. 



825 



Variable 



44 



6 



jj 



Hochgerrach \ hazed. 







7.15 p.m. 



440 



Southerly 



>> 



JJ 



5) 





j> 



22 



9 A.M. 



300 



W. 1 



33-5 



0-5 



Extremely 

 thick 



Snowing. 







9.30 a.m. 



340 



JJ 



34 



0-3 



? 



Very clear low down. 



>) 





12 



1,400 



N.W. 0-5 



401 



2 



Very thick 



Raining. 







2 P.M. 



1,075 



JJ 



35 







Extremely 

 thick 



Rain and hail ; average 

 of lowest. 







2 P.M. 



2,025 



J> 



JJ 



JJ 



>? 



Numbers very variable ; 

 average of highest. 







4 P.M. 



1,050 



J) 



36 



JJ 



)> 



Fine rain. 







6 p.m. 



350 



N.W. 0-2 



35-5 



JJ 



>> 



Still clouded and fine 

 rain. 







7 P.M. 



485 



W. 0-2 



jj 



JJ 



j? 



Wet mist. 



>J 



23 



9 A.M. 



467 



S.E. 0-5 



43-5 



3-7 



Clear 



Hochgerrach \ hazed ; 

 thickness variable 

 owing to showers of 

 snow ; cleared up at 



11 A.M. 







12 



3,075 



S. 1-5 



44 



3-8 



Medium 









2 P.M. 



1,975 



JJ 



46 



5-9 



Clear 









3 P.M. 



850 



JJ 



JJ 



>) 



>> 









4 P.M. 



478 



S.W. 2 



44 



7 



Extremely 

 clear 



Hochgerrach and the 

 Jura \ hazed. 







6 P.M. 



535 



JJ 



40-3 



6-3 



)> 



u j) 







7 P.M. 



525 



S.W. 1 



40 



6-5 



;> 



>! J> 



