﻿ABSTRACT FOR THE MONTH OF DECEMBER, 1896. 



Meteorological Observations, McGill College Obpervatory, Montreal, Canada. Height above sea level, 187 feet. C- H. yicLEOD , Superintendsni. 



Means 



this month 



THEBMOMETBK. 



I 4=. 



13-23 

 29.93 

 36- 35 



BAROMETER. 



30.3265 

 30.5612 

 30. 3.. 2 

 30- '565 

 29.9947 



30.2863 

 29.9035 

 29-9345 



30.448 

 30-634 

 30.410 

 30.339 



29B24 

 30.096 

 =9-943 



30.324 

 3o-4'4 



30 848 

 30-345 

 3". 3=7 

 30.693 



29 362 

 29 463 



30 428 

 30.271 

 2fi 970 



0780 

 0520 



0375 

 0377 

 0345 

 0367 



AIIAL¥SIS OF WIND RECORD. 



DuratioDin hrB. 

 Mean velocity... 



«. 



N.E. 



Jl. 



S.K. 



.. 



s.w. 



w. 



fJ.W. 





1216 



,035 



81 



36- 



>455 



4433 



1350 



.654 





107 



48 



12 



44 



103 



214 



lOI 



113 





■1.36 



21.56 



6.75 



8.2a 



,4.2 



20.7. 



■ 3.36 



■4 64 





Greatest mileage in one hour waa 42 on the Resultant mileage, 4910. 

 (ireatcet velocity in gusts. 50 miles ner hour on Resultant direction, S. 69i= W. 

 the 19th. Total mileage, llfSS. 



relative 

 'lumid 



WIND. 



S.W. 



s.w. 

 s.w. 



N.W. 



N.E. 

 N.E. 



s.w. 



N. 

 W. 



S.W. 

 S.w. 

 N.W. 



23-54 

 ...58 



§ Observed. 



\ Pressure of vapour in inches of mercury. 



t Humidity relative, saturation being 100. 



IT 15 year? only. 



The greatest heat was 42°0onthe ISth ; 



Warmest day was the 30th. Coldest day wat 

 the 2Uh. Highest barometer reading was 30.935 

 on the 27th. Lowest barometer was 29.362 on the 



9th. giving a range of 1.573 inches. Maximum 

 relative humidity was 98 on the 5th, 8th and 18th. 

 Minimum relative humidity was 55 on the 17th. 



Kain fell on 1 day. 



Snow fell on 14 days. 



Rain or snow fell on 15 days. 



Auroras were observed on 1 night on the 3rd. 

 Lunar halos on the 16 h and 22nd. 



Lunar corona on the 20th and 23rd. 



Fog on 1 day on the 13th. 



