316 



THE CANADIAN NATURALIST. 



[Vol. ix. 



Meteorological Abstract for the Year 1879. 



Monthly results derived from tri hourly observations taken at 

 McGill College Observatory. Height above sea level, 187 feet. 



C. H. McLeod, Superintendent. 



Month. 



January 



February 



March 



April 



May 



June 



July 



August 



September — 



October 



November 



December 



Means for 79. 



Means for 5 years 

 ending with '79. 





82.3 

 74.7 

 82.2 

 61.6 

 61.6 

 74.2 

 70.6 

 69.6 

 73.9 

 71.2 

 79.3 

 80.5 



73.47 



74.66 



Month. 



January 



February 



March 



April 



May 



June 



July 



August 



September 



October 



November 



December 



Means for '79 



Means for 5 years ending with 

 '79 



Wind 



Mean 

 direction. 



\V. 

 W. N. W. 

 W. S. W. 

 W. N. W. 

 W. S. W. 



W. 

 W. S. W. 



W. 



s. w. 



w. s. w. 



w. s. w. 



w. 



W. byS. 



W. 



c 



'5 

 05 





4.08 

 2.82 

 4.57 

 0.96 

 0.80 

 4.82 

 4.79 

 1.40 

 3.18 

 1.70 

 4-56 

 5.48 



3.263 



3-279 



Greatest heat was 87.1 on the 25th of June. Greatest cold 

 was 25.2 below zero on December 21st, giving a range of tem- 

 perature for the year of 112.3 degrees. Greatest range of the 

 thermometer in one day was 48.7 on December 30th. The 

 warmest day was August 2nd, the mean temperature being 77.9. 

 The coldest day was December 21st, the mean temperature being 

 §16.2 below zero. Highest barometer reading was 30.854 on 

 February the 28th; lowest was 29.112 on February the 12th; 



