ABSTRACT FOR THE MONTH OF DECEMBER, 1901. 



Meteorological Observations, McGill College Observatory, Montreal, Canada. Height above sea level, 187 feet. C. H. McLEOD, Superintendent^ 



Sunday... • 



... 8 



9 



29.92 

 34.02 

 30.07 

 =3.74 

 23.08 

 35.57 

 5»-49 



SUHDAV,,.. 



....15 



91. 03 



THERMOMETER. 



30.46 

 30 57 

 30.43 



33.30 



•3 

 •5 



!e 



•9 



19- 

 6! 



■ s 

 •3 

 .0 



.1 



.8. 

 25. 

 26. 



3-5 



43- 



5.6 

 S.o 



S-a 

 9.0 



-4- 



3- 



3.3 

 "•9 



5. 



38 



3.0 



11 



4.3 

 4.5 

 0.7 



32 



* BAROMETER. 



29.84 



29.99 



39.71 



39.99 





30.21 



30.04 



30.17 



30-33 



30.44 



30-53 





30-45 



30.58 



30.28 

 30-34 

 30.37 



29.65 





W. 





N.E. 





N.E. 





E. 





E. 





W. 



78 



S. 



!9 







W. 





S.W 





S.W. 



8S 



N.W 



^38 



33.23 



3-65 



for and including 



'this 



.nth. 



ANALYSIS OF WIND RECORD. 



S.W. w 



16.3 



19.7 



Qroatest velocity in guata 

 hour on tho 10th. 



Reaultftnt niileiige, 3156- 



Kesultant direction, \V. 32° 55' d- 

 Total milonge, 10.587. 

 Wind from City Hall on 10th, 11th, 15th. 16th 

 and 2l6t. 



If 20 years only. § 15 years only. 



The greatest heat wa.s 59.1° on the Hth: the 

 greatest cold was ■1.7' below zero ; givine a, range 

 of temperature of 63.8 degrees. Wajmest day was 

 the 14tb. Coldest day was the 16th. 



Highest barometer reading was 30.58 on the 

 6Lh and 7th; lowest barometer reading was 29.42 



Minimum relative humidity observed was 62 

 n the 13th. 



ilain or sleet fell on 6 days. 



Snow fell on 13 days. 



Rain, sleet or snow fell on 16 days. 



Depth of snow on ground at end of month, 

 .5 inches- 



Glround clear of snow on the 15th. 



Rainbow on the i6th- 



Lunar corona on the 22nd. 



Light fog on the 6th and 28th. 



