ABSTRACT FOR THE MONTH OF JULY, 1899. 



M t oroloeical Observations, McGill College Observatory, Montreal, Canada. Height above sea level, 187 feet, C. H. McLEOD, Superinlmdent. 



THERMOMETER. 



^BAROMETER. 



29.8585 



29^8»33 

 29 87J3 



39.9393 

 29.7330 

 29.7070 

 39.9170 



39'.882 

 39 824 



29 8.S 

 29 931 

 30.004 

 39 949 

 30. 163 



29.866 

 39.936 

 »9.935 



29 746 

 =9-935 

 »9.733 



29'.86j 

 29.898 

 29 800 



39.862 

 39.696 

 30.QJ8 



30.044 

 29,815 

 29.69J 

 29.590 

 39 904 



s.w. 

 s.w. 

 s.w. 

 s.w. 



N.W. 



N.E. 



S.W. 

 S.W. 



5-34 







ANALYSIS OF WIKD RECO&B. 







Direction 



N. 



K.K. 



E. 



S E. 



S. 



S.W. W. 



N.W. 



Calm. 



Milo 



338 



180 



133 



.020 



8n 



6195 764 



932 









Durmion in hrs. . 



3» 



26 



34 



76 



74 



389 48 



6s 



,0 



Mean vdocily... 



.0.56 



6.93 



5.13 



■3.43 



.096 



1S.92 .5.92 



■4-34 





Oroatoil mile 

 9lh. 



Qroiitoat volo 

 oiilbo0lhimd27 



age in 

 oily in 



ao hour 

 nusts, 36 



nas 31. 

 miles V 



on the 

 er hour 



Re 

 Re 

 To 



ultant mileage, 

 ultant dirootioD 

 ill mileage, 10,36 



6,795. 

 S.45J = 

 5. 



w. 



Barometer readings reduoed to sea-level and 

 temperature 32^ Fahrenheit. 



§ Observed. 



t Pressure of vapour in inches of mercury. 



\ Humidity relative, saturation being 100. 



% 18 years only, a 13 years only. 



The greatest heat wa,g 84''.4 on the 3rd ; the 

 greatest cold was 51.°1 on the 19tb giving a range 

 of temperature of 33.3 degrees. 



Warmest day was the 4th. Coldest day was 

 the 19th. Highest barometer reading was 30- 163 on 

 th£ 22nd. Lowest barometer was 29.590 on the 27tbi 

 giving a range of U. 573 inches. Maximum rela- 



.69 53.32 



^59-59 



23 Sunday 



30 Sunday 



inih. 



tive humidity was 99 on the 5th, 6th, 17th and 2l8t. 



Minimum relative humidity was 38 on the 3rd< 

 Rain fell on 21 days. 

 Auroras were observed on 1 night- 

 Lunar corona on the 23rd> 

 Fog on 2 days. 

 Thunderstorms on the 5th> 2lHti And ^th. 



