Daily Means of observed Temperatures at two adjacent stations— Victoria Bridge and Point St. Charles, Montreal, Canada,— at the hours 

 of 9 a.m., Noon, 3 p.m., and 6 p.m. ; and also Temperature of the water of the Eiver St. Lawrence, taken daily, at noon. 



OS 



o 



o 









Thermometer. 







1861. 



Temp, of 

























Daily Mean. 



Mir. 



Water. 



9 A.M. 



Noon. 



3 P.M. 



6 P.M. 





1 



42 



37.5 



40.0 



43.0 



41.0 



40.40 



2 



42 



29.0 



36.5 



40.5 



41.5 



36.80 



3 



42 



35.0 



42.0 



45.5 



45.0 



41.90 



4 



42 



43.5 



51.0 



55.5 



56.5 



51.60 







42 



50.5 



60.0 



62.5 



61.0 



58.50 



6 



42 



52.0 



51.0 



52.5 



50.0 



51.40 



i 



43 



52.5 



53.0 



56.0 



55.0 



54.10 



8 



44 



51.5 



54.0 



54.0 



52.0 



52.80 



9 



46 



48.5 



55.0 



57.li 



56.0 



54.20 



10 



47 



52.5 



59.0 



63.0 



60.0 



58.60 



11 



48 



53.5 



64.0 



66.0 



61.5 



61.30 



12 



49 



50.0 



56.5 



60.5 



63.5 



57.60 



13 



50 



51.0 



58.5 



67.0 



57.0 



58.30 



14 



49 



52.0 



53.5 



58.0 



59.0 



55.60 



15 



50 



50.5 



54.5 



60.0 



62.0 



56.80 



16 



50 



52.0 



54.0 



56.0 



53.5 



54.00 



17 



50 



43.5 



48.5 



52.0 



52.5 



49.10 



18 



50 



46.0 



48.0 



53.0 



52.5 



49.80 



19 



50 



52.0 



59.0 



61.5 



59.0 



57.90 



20 



51 



oi .5 



59.5 



59.0 



59.0 



58.70 



21 



52 



55.0 



60.5 



61.0 



60.5 



59.20 



22 



52 



53.5 



62.0 



65.5 



65.0 



61.50 



23 



52 



61.0 



69.0 



72.5 



69.0 



67.80 



24 



52 



63.0 



67.0 



66.0 



60.5 



64.10 



25 



53 



55.0 



67.5 • 



66.5 



66.5 



63.80 



26 



54 



61.0 



67.5 



70.5 



69.5 



67.10 



27 



54 



56.0 



56.5 



59.5 



56.0 



57.00 



28 



53 



46.0 



55.0 



53.5 



48.0 



50.70 



29 



52 



47.5 



55.0 



54.5 



55.5 



53.10 



30 



53 



49.0 



61.0 



66.5 



66.0 



60.60 



31 



56 



61.0 



71.0 



73.5 



70.0 



68.80 



Monthly 



Means, 















48.8 



50.6 



56.4 



59.1 



57.5 



55.90 



1861. 

 June, 



10 

 11 



12 

 13 



14 

 15 



16 

 17 

 18 

 19 

 20 



21 



22 

 23 

 24 



25 



26 



27 

 28 

 29 

 30 



Temp, of 

 Water. 



Monthly 

 Means. 



56 

 55 



56 

 56 

 56 



56 



58 

 58 

 60 

 63 



65 

 66 



64 

 60 

 60 



62 

 60 

 62 

 63 

 63 



62 

 64 

 63 

 64 



65 

 66 

 66 

 66 

 66 



Thermometer. 



9 A.M. 



65.0 

 57.0 

 60.0 

 52.0 

 59.5 



61.0 



60.5 

 68.0 

 64.5 

 76.0 



75.5 

 69.0 

 56.5 

 62.0 

 56.0 



61.0 

 56.5 

 64.5 

 65.0 

 61.5 



63.0 

 59.5 

 66.0 

 55.5 

 64.0 



69.5 

 66.5 



66.5 

 64.5 

 66.0 



Noon. 



73.0 

 65.0 

 66.0 

 58.5 

 66.5 



63.0 



65.5 

 72.5 

 76.0 

 87.0 



85.0 

 78.0 

 60.0 

 69.5 



55.5 



65.0 

 63.0 

 71.0 



73.5 

 66.0 



64.5 

 69.5 

 69.5 

 63.0 

 72.0 



73.5 

 71.5 

 70.5 

 73.0 



76.0 



61.60 



63.0 



69.4 



3 P.M. 



73.5 

 73.5 



70.5 

 62.5 

 68.5 



63.5 

 70.0 

 79.0 

 84.5 

 91.0 



90.5 

 78.5 

 63.5 

 65.5 

 61.0 



67.0 



67.5 

 71.0 

 75.5 

 68.0 



63.0 

 75.0 

 70.5 

 67.0 

 76.0 



75.0 

 74.5 

 63.5 

 75.0 



77.0 



72.0 



6 P.M. 



74.0 

 73.0 

 63.5 

 64.0 

 67.5 



60.5 



68.5 

 80.5 

 87.5 

 87.5 



88.0 

 72.5 

 63.0 

 60.0 

 62.5 



67.0 

 69.0 

 71.5 



73.5 

 68.5 



61.0 

 67.5 



04.5 

 68.5 



78.5 



74.0 

 72.5 

 68.5 

 73.0 

 69.0 



Daily Mean. 



71.40 



67.20 

 65.00 

 59.20 

 65.50 



62.00 

 66.10 

 75.00 

 78.30 

 85.40 



84.70 

 74.50 

 60.70 

 64.20 



58.80 



65.00 

 63.90 

 69.50 

 71.80 

 66.00 



62.80 

 67.70 

 67.60 

 63.50 

 72.60 



73.00 

 71.20 



67.20 

 71.30 

 72.00 



o 



3 



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a 

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ro.e 



68. 



