126 



TABLES OP MEAN TEMPERATURES. 



Hour. 



Jan. 



Feb. 



Mar. 



Apr. 



May. 



June. 



July. 



Aug. 



Sept. 



Oct. 



Nov. 



Dec. 



Year. 











Thunder Bay Island.- 



—Continued. 









Noon 



22°.8 



26°. 2 



3i°-5 



41°. 4 



50°-S 



63°-5 



69°-7 



72°. 6 



64°. 8 



49°- 1 



39°. 6 



26°. 9 



46°-5 



o 30 



23-3 



26.7 



31-9 



41.7 



50.7 



64.2 



69-9 



73.1 



65.1 



49-6 



40.0 



27.1 



46.9 



I 



23-S 



27.0 



32.1 



41.9 



50 



9 



64.0 



69.8 



73-6 



65.4 



49 



9 



40,4 



27-3 



47 



I 



I 30 



23-7 



27.4 



32-3 



42.0 



51 







64.0 



70.3 



73-8 



65-7 



50 



3 



40,6 



27-4 



47 



4 



2 



23-9 



27.5 



32-5 



42.1 



51 



2 



64.6 



70. 5 



73-9 



65-9 



50 



S 



40.8 



27-3 



47 



6 



2 30 



23.8 



27.5 



32.3 



42.1 



51 



2 



64.6 



70.6 



73-8 



65-9 



50 



5 



40.9 



27-3 



47 



5 



3 



23.6 



27.4 



32.0 



42.0 



51 



S 



64-5 



70.7 



73-4 



65-7 



50 



2 



40.8 



27.1 



47 



4 



3 30 



23.2 



27.0 



31-7 



41-7 



51 



6 



64.2 



70. s 



73-0 



65.2 



49 



9 



40.4 



26.9 



47 



I 



4 



22.5 



26.4 



31-3 



41.5 



51 



5 



63-7 



70.3 



72-S 



64.7 



49 



4 



39-8 



26.6 



46 



7 



4 30 



22.3 



25-7 



30. 8 



41. 1 



51 



I 



63.4 



69.7 



72.0 



64.2 



48 



7 



39-5 



26.4 



46 



2 



S 



21.9 



25.2 



30.1 



40.5 



5° 



5 



63.0 



69.1 



71.2 



63.6 



48 



I 



390 



26.2 



45 



7 



5 30 



21.6 



24.8 



29- S 



40.1 



49 



9 



62.4 



68.4 



70.3 



62.8 



47 



5 



38-7 



26.1 



45 



2 



6 



21.2 



24.2 



29.0 



39-5 



49 



2 



61.8 



67.6 



69. 5 



62.1 



46 



8 



38-5 



26.0 



44 



6 



6 30 



21.0 



23-9 



28.3 



38.8 



48 



5 



60.7 



66.8 



68.4 



61 -5 



46 



2 



38-3 



25.9 



44 







7 



20.7 



23-7 



27.7 



38.2 



47 



7 



59-6 



66.0 



67.8 



60.8 



45 



8 



38-1 



25-7 



43 



5 



7 30 



20.6 



23-4 



27.2 



37-6 



46 



9 



58-9 



6S-I 



67.1 



60.3 



45 



4 



38.0 



25.5 



43 







8 



20.5 



23.3 



27.0 



37-2 



46 



3 



58-1 



64.3 



66.5 



59-8 



45 







37-9 



25-7 



42 



6 



8 30' 



20.4 





26.7 



36.8 



45 



6 



57-4 



63.8 



65.8 



59-5 



44 



9 



37-7 



25.6 



42 



2 



9 



20.3 



22.9 



26. 5 



36.4 



45 



I 



56-9 



63-2 



65.2 



59-1 



44 



4 



37-6 



25-4 



41 



9 



9 30 



20.1 



22.6 



26.3 



36.1 



44 



6 



56.4 



62.8 



64.7 



58.8 



44 



2 



37-5 



25-3 



41 



6 



10 



20.0 



22.5 



26.2 



35-8 



44 



2 



56.0 



62.2 



64.2 



58.7 



44 







37-4 



25-3 



41 



3 



10 30 



19.8 



22.0 



26.0 



35-4 



43 



9 



55-4 



62.0 



63^8 



58.4 



43 



8 



37-2 



25.0 



41 







II 



19.6 



22.0 



25.7 



35-1 



43 



6 



55-1 



61.6 



63-4 



58.1 



43 



5 



37-1 



25.2 



40 



8 



II 30 



19-5 



21.8 



25-5 



34-9 



43-3 



54-7 



61.2 



62.8 



57-9 



43-2 



36-9 



24.8 



40.6 



Mean 



20.3 



23-3 



27-5 



37-4 



46.5 



5S.6 



64.6 



66.9 



60.6 



45-5 



37-7 



25-4 



42.8 











•He 



URLY I 



/[bans 



OF Temperature. 













Toro] 



ato, C 



anada 



West 



."■ Lat 



43° 3 



5'. Long. 79° 



23' w 



. of G. 







Alt. ^ 



42 feet. 



Captai 



ns Ridde 



11, Youn 



ghusban 



d, and Lefroy, R 



. A. July, 1842 



to July, 1848. 





Mdn't2 



+23.80 



21.45 



27-33 



39-37 



47.88 



55-37 



59-45 



60.30 



53-63 



40-95 



34.42 



26.53 



40.87 



I 



23.33 



21.07 



26.85 



38.62 



47.62 



54-68 



58.58 



59.65 



53-02 



40-35 



34.13 



25.95 



40.27 



2 



23.25 



20.73 



26.47 



37.95 



46.18 



53.98 



58.02 



58.97 



52-43 



40.03 



33-85 



25-58 



39-79 



3 



23.10 



20,30 



26.18 



37.75 



45-47 



53-20 



57.30 



58.30 



51-97 



39.S7 



33-53 



25-45 



39-37 



4 



23,00 



20. GO 



25.80 



37.32 



45.00 



52-63 



56.67 



57.93 



51-38 



39-57 



33-37 



25.42 



39.01 



5 



22.82 



19-65 



25.28 



36.95 



45-05 



52.82 



56.62 



57-73 



50-75 



39-40 



33-48 



25.40 



38-83 



6 



23.55 



19.08 



25.00 



37.08 



47-50 



55-47 



59-83 



59-18 



51-43 



39.62 



33 75 



2498 



39-71 



7 



23.45 



18.95 



25.87 



39-37 



50-48 



58.2S 



63-50 



62.1S 



53-98 



40-37 



33-75 



24.82 



41-25 



8 



23. 68 



19.97 



27-S5 



41.62 



52.70 



60,62 



66.10 



65.42 



56-73 



42.62 



34-80 



25-25 



43-11 



9 



24.65 



22.27 



30.02 



43-60 



55-02 



62.50 



68-30 



67.92 



59-15 



45-30 



36-33 



26.43 



45-12 



10 



25. 88 



24.28 



31-75 



45-12 



56.72 



64.17 



70.00 



69.90 



61.12 



47-23 



37-77 



27.88 



46,82 



II 



27.05 



25.87 



32.98 



46.50 



H-l^ 



65-45 



71-55 



71-35 



62-55 



48.60 



38.78 



29.12 



48-14 



Noon 



27.83 



27,07 



34.00 



47-53 



58.80 



66.55 



72.85 



72.30 



63-52 



49-50 



39-57 



29-93 



49-12 



I 



28.33 



27-93 



34.65 



48-47 



59-72 



67.28 



73.77 



73-07 



64.12 



49-93 



39-97 



30-65 



49.82 



2 



28,60 



28.33 



35-22 



48.85 



60.07 



67.70 



74-62 



73-65 



64-52 



50.28 



40.05 



30.80 



50,22 



3 



28.57 



28.32 



35-02 



48.92 



60.13 



68.08 



74.82 



74.00 



64-55 



50-05 



39-88 



30.55 



50.24 



4 



2S.05 



27.77 



34-55 



48.53 



60.0S 



68.32 



74-83 



73-S5 



64-33 



49-32 



38.98 



29.90 



49.88 



5 



27.05 



26.57 



33-80 



47 -So 



59-70 



67.72 



74.37 



73-30 



63-37 



47-57 



37-77 



28.95 



49.00 



6 



26.23 



25.12 



32.12 



46.00 



57-95 



66.42 



72.93 



71.40 



60.70 



45-52 



36-95 



28.25 



47-47 



7 



25.70 



24-13 



30-65 



43-47 



55.08 



63. 68 



69-45 



67.42 



58.00 



44-42 



36-38 



27.92 



45-52 



8 



25.3S 



23.28 



29.68 



41.88 



52-37 



60.38 



65-25 



64.50 



56-72 



43-68 



36-07 



27-53 



43-89 



9 



2S.IS 



22.63 



28. 68 



40.80 



50.62 



58.22 



62.S8 



62.92 



55.68 



42.92 



35-78 



27.28 



42.80 



10 



24.8c 



22.08 



28.03 



40.03 



49.65 



56,88 



61.65 



61.90 



54.62 



42.17 



35-43 



26.98 



42.02 



II 



24. 4S 



21.57 



27-38 



39-53 



48.73 



55-92 



60.47 



61.10 



53-98 



41.50 



35.08 



26.87 



41-38 



Mean 



25-3; 



23.27 



29.80 



42-63 



52.91 



60.68 



65-99 



65-76 



57-59 



44.20 



36-24 



27-44 



44-32 



' P? 



a. Tran 



;., Roy. 



Soc., Vc 



>1- 143. 



1853- 

















s T 



le table 



jiven by 



Gen. Sa 



3ine con 



miences 



with noc 



n, it wa 



change 



1 to com 



mence w 



ith midnight, for 



the sake 



of unii 



ormity w 



itli the 



ther tabl 



es. 



















