ABSTRACT FOR THE MONTH OF AUGUST, 1899. 



Meteorological ObBerTations, McGill College Observatory, Montreal, Canada. Height above sea level, 187 feet, C, H. McLEOD, Supennlmdenu 



Sunday 97 



THERMOMETER. 



♦ BAROMETER. 



39.9760 

 29.9053 

 99, 8727 



30.1767 



29.9690 

 29.9560 

 30." (75 



29 991 

 29 897 



29 Slo 

 29 817 



30.174 



(Mian 

 humid- 



.5678 



84.3 





82.7 



.6505 



75.8 



• 5795 



69.3 





61.0 





56 2 



.3650 







75 2 



.48<7 





.6015 



»3.3 



.2803 



562 





55 8 



.17»2 



52.7 



■■(383 









.5787 



68.7 



n 



<»nd iactuding ihii 

 f month. 





« 



ANALYSIS 



OF WINS KECOBD. 







DlKclIon 



N. 



N.I. 



E. 



S.E. 



S. 



S.W. 



W. 



N.W. 



Calm. 



Mlla 



•374 



9I 



142 



.232 



'742 



2549 



3.8 



.052 





Uurtllon In hrs. . 



.40 



.0 



•9 



95 



■47 



.90 



38 



89 



.7 



Mean velocity.... 



9.!. 



9,80 



7-47 



12.97 



...8s 





11.95 





OrMtMtmilo. 

 I9tk. 



OnatMl velo 

 on Ih. 19lh. 



age in 

 olty in 



QO hour 

 iuste, 28 



miles [ 



on the 

 er hour 



Rei 

 Re 



To 



aW 



on the 



ultant 1 

 ultant d 

 M milen 

 nd roeo 

 17th lire 



nileiMte, 

 ireotion 

 «e. 8,507 



(]b from 

 Iromth 



2.855. 

 S.38= 



ouTh 



w. 



a the 15th to noon 

 111. 



* Barometer readings reduced to sea-Ievel and 

 temperature 32° Fahrenheit. 



§ Observed. 



t Preeaure of vapour io inohea of meroary. 



t Uumidity relative, saturation being 100. 



V 18 years only, s 13 years only. 



The greatest heat was 88<'.8 on the 21st ; the 

 greatest cold wa& 61.^ on the 15th giving a range 

 of temperature of 37.6 degrees* 



Warmest day was the 2lBt. Coldest day wai 

 the Bth. Highest barometer reading was 30.270 on 

 the 29th. Lowest barometer was 29.623 on the 2lBt> 

 giving a range of U-547 inches. Maximum rela* 



tive humidity was 98 on th« 23nd.23rd and 23th. 

 Minimum relative humidity was 34 on the 2Ist< 



Run fell on 11 days. 



Lunar coronas on the 19th, 20th and 21st 



Fog on 1 day. 



Thunders tonus on the 2nd, 12th, 21st and 22nd. 



