286 Mr. M c Cord's Meteorological Summary for Montreal, 



TEMPERATURE. 



MEAN MONTHLY TEMPERATURE. 



1836. 



1837. 

 1838. 

 1839. 

 1840. 



Mean, 



Jan. Feb. Mar. Apr. May. June. July. Aug. Sept. Oct. Nov. Dec 



17-05 

 8-70 

 21-00 

 12-70 

 10-45 



11-32 



15-78 



9-oo 



20-80 



23-50 



13-98 16-08 



20-90 

 25-15 

 3160 

 29-30 



35-24 

 40-40 

 34-50 

 45-50 



53-32 65-25 



52-15 

 52-80 

 52-90 



30-55 44-46 55-73 



65-55 

 69-90 

 62-20 

 66-99 



27-50 ,40-02 53-38 65"97 



71-90 

 65-60 

 68-90 

 70-00 

 71-96 



69-67 



63-05 

 65-15 

 65-50 

 66-50 



57-46 

 58-30 

 57-90 

 59-60 



70-87 '59-26 



39-37 

 43-20 

 46-60 

 50-00 

 46-35 



66-21 58-50 45-10 



32-24 

 3370 

 28-80 

 34-40 

 34-36 



32-70 



18-09 

 20-95 

 12-40 

 25-00 

 17-02 



18-69 



42-316 



SNOW-GAUGE. 



These observations are all made with instruments by first (British) artists, 

 duly compared with standards, and every precaution taken in their position to 

 ensure the most correct indications. The city of Montreal is about 46 feet above 

 the tide waters of the St. Lawrence ; the Barometer about 45 feet above the 

 mean level of the St. Lawrence. Total elevation of Barometer above the tide 

 waters of the Sti Lawrence, 91 feet. 



