18 



RESULTS OF METEOROLOGICAL OBSERVATIONS 





Table I.- 



— Continued. 



Mean Temperature in July. 









Day of 

 moath. 



1808. 



1809. 



ISIO. 



ISll. 



1812. 



1813. 



1814, 



1S15. 



1816 



1817. 



1818. 



1819. 



1820. 



1821. 



1 



77°.3 



63°.2 



64°. 2 



58°.7 



60°.2 



72°.7 



70°. 7 



68°. 8 



61°.0 



62°.0 



68°.8 



68°.2 



74°. 7 



69°.8 



2 



59.3 



66.6 



62.5 



70.7 



60.5 



71.8 



71.5 



74.2 



65.6 



67.0 



71.5 



69.8 



68.7 



71.2 



3 



61.2 



60.7 



66.6 



81.5 



70.2 



70.3 



66.7 



68.0 



64.8 



69.3 



63.6 



64.2 



73.0 



65.3 



4 



59.8 



60.3 



62.2 



80.3 



74.0 



69.3 



71.7 



66.2 



61.3 



64.2 



65.8 



66.3 



76.8 



62.8 



5 



70.2 



58.8 



69.3 



79.7 



72.0 



73.7 



69.1 



65.6 



69.0 



68.2 



68.1 



61.7 



89.5 



62.8 



6 



65.2 



60.5 



67.3 



83.7 



66.8 



63.7 



66.3 



65.5 



63.3 



67.7 



73.2 



66.9 



81.2 



61.7 



7 



68.8 



66.0 



71.1 



67.7 



68.7 



66.7 



62.8 



66.0 



57.2 



68.8 



69.7 



66.3 



82.0 



62.2 



8 



67.3 



61.9 



66.0 



62.4 



62.0 



71.0 



63.2 



72.7 



60.2 



66.9 



75.2 



72.2 



78.3 



60.5 



9 



63.1 



62.3 



66.0 



64.5 



56.1 



70.0 



65.7 



68.8 



58.7 



65.3 



79.5 



74.3 



74.2 



66.3 



10 



71.5 



62.1 



65.3 



63.2 



60.3 



66.7 



66.5 



74.8 



66.2 



62.7 



73.7 



81.2 



76.7 



61.0 



11 



66.1 



65.8 



64.2 



69.6 



56.2 



66.0 



59.8 



78.0 



62.7 



64.0 



82.8 



78.7 



76.3 



61.3 



12 



75.4 



(63.6) 



73.2 



57.7 



62.2 



65.0 



60.5. 



73.7 



69.6 



71.8 



82.3 



74.3 



73.3 



67.3 



13 



69.2 



60.8 



66.2 



65.2 



65.3 



63.7 



59.3 



80.2 



69.0 



69.0 



75. .8 



69.2 



80.2 



67.2 



14 



69.8 



67.7 



62.6 



67.5 



70.3 



64.0 



72.5 



72.0 



66.7 



64.1 



74.7 



72.3 



76.3 



69.3 



15 



67.2 



69.7 



62.3 



67.0 



63.8 



64.5 



74.3 



68.7 



66.3 



66.0 



65.6 



71.2 



69.0 



70.3 



16 



74.4 



64.3 



61.3 



70.5 



64.2 



66.0 



73.2 



64.3 



65.8 



68.3 



69.4 



69.3 



76.5 



70.5 



17 



76.0 



63.5 



59.0 



67.3 



63.7 



65.7 



71.2 



73.2 



67.7 



72.0 



74.2 



75.3 



75.0 



68.7 



18 



74.0 



53.6 



60.0 



68.0 



64.2 



62.0 



68.0 



74.0 



65.2 



78.3 



73.4 



74.2 



73.8 



72.8 



13 



63.5 



56.2 



66.7 



68.0 



67.7 



64.2 



65.5 



74.2 



64.3 



79.0 



69.8 



67.0 



76.8 



69.3 



20 



62.8 



54.8 



69.2 



69.7 



70.7 



70.8 



63.0 



77.2 



69.2 



77.3 



66.1 



71.0 



73.7 



69.2 



21 



67.6 



64.8 



68.7 



72.0 



66.3 



70.3 



61.5 



78.7 



70.0 



66.3 



64.4 



69.9 



69.2 



70.7 



22 



71.8 



64.4 



67.3 



72.8 



64.7 



66.2 



66.7 



72.7 



67.7 



69.8 



72.1 



70.8 



74.2 



70.7 



23 



76.1 



66.5 



61.0 



66.0 



66.6 



64.3 



67.7 



72.0 



64.8 



68.7 



74.3 



74.4 



72.8 



70.7 



24 



67.1 



61.3 



66.3 



63.2 



66.3 



67.3 



67.8 



71.7 



67.5 



64.0 



72.1 



75.2 



72.8 



68.2 



25 



62.4 



61.2 



68.3 



65.7 



66.8 



73.0 



71.0 



72.0 



66.0 



66.3 



68.7 



75.0 



78.0 



69.7 



26 



63.6 



66.8 



67.5 



65.7 



69.2 



65.2 



67.0 



62.7 



68.5 



68.6 



72.0 



74.3 



78.7 



71.3 



27 



70.1 



59.7 



62.8 



71.7 



66.9 



64.7 



65.3 



63.3 



67.3 



69.3 



69.2 



66.2 



78.0 



72.3 



28 



69.8 



64.8 



66.2 



64.3 



70.2 



67.0 



70.8 



70.7 



62.7 



67.7 



75.3 



69.3 



82.3 



72.5 



29 



68.4 



64.7 



64.3 



64.2 



65.0 



71.8 



69.8 



78.7 



64.2 



72.7 



73.3 



76.7 



82.0 



65.0 



30 



61.8 



65.7 



66.7 



78.2 



59.3 



70.0 



71.0 



74.0 



65.6 



66.6 



72.9 



79.8 



85.7 



75.8 



31 



72.1 



68.5 



71.7 



74.2 



67.5 



68.2 



71.7 



72.2 



66.8 



66.7 



72.6 



84.0 



86.6 



87.7 



Mean, 



68.35 



62.93 



65.89 



68.72 



65.41 



67.57 



67.36 



71.44 



66.24 



68.00 



71.62 



71.92 



76.83 



68.49 



Dav of 



month. 



1S22. 



1S23. 



1821. 



1823. 



1826. 



1827. 



1828. 



1829. 



1S30. 



1831. 



1S32. 



1833. 



1831. 



1S35. 



1 



78.8 



79.0 



73.3 



71.0 



74.7 



75.7 



75.7 



65.8 



73.3 



76.0 



80.0 



76.0 



64.3 



69.0 



2 



73.6 



82.2 



73.3 



70.7 



76.3 



80.3 



68.7 



68.0 



73.3 



77.0 



78.2 



73.5 



69.3 



68.7 



3 



65.4 



75.9 



74.0 



73.0 



79.7 



68.7 



69.3 



66.3 



64.3 



83.7 



79.7 



73.5 



68.0 



74.3 



4 



71.8 



71.5. 



66.0 



77.0 



73.7 



78.7 



72.3 



66.0 



70.7 



82.0 



71.3 



72.3 



72.7 



74.7 



5 



71.6 



73.6 



69.3 



72.3 



76.3 



76.7 



76.0 



56.0 



68.3 



82.0 



69-2 



73.0 



74.3 



74.7 



6 



74.7 



62.4 



77.0 



73.0 



74.7 



73.3 



77.0 



69.3 



73.8 



78.2 



74.3 



72.0 



73.7 



70.8 



7 



79.8 



80.5 



73.3 



70.3 



79.7 



72.3 



75.7 



72.5 



71.7 



77.0 



61.8 



72.7 



74.3 



70.3 



8 



57.3 



66.9 



70.7 



76.0 



79.7 



71.3 



79.2 



72.3 



63.5 



74.3 



57.5 



75.3 



81.0 



66.2 



9 



(59.5) 



79.0 



79.0 



76.0 



74.3 



77.3 



72.0 



69.3 



68.3 



74.3 



56.2 



72.0 



82.7 



69.0 



10 



68.3 



72.5 



68.3 



83.7 



81.0 



73.0 



69.7 



69.7 



70.1 



64.0 



59.3 



70.3 



77.7 



65.7 



11 



65.3 



72.0 



66.0 



89.3 



87.5 



77.3 



70.7 



70.7 



73.3 



61.3 



67.0 



70.7 



74.0 



69.3 



12 



62.3 



77.7 



70.3 



85.6 



89.3 



72.0 



68.7 



72.3 



70.0 



69.3 



69.8 



73.3 



74.3 



72.3 



13 



74.3 



78.7 



71.7 



77.3 



84.3 



78.7, 



72.7 



68.0 



71.7 



67.7 



59.7 



74.3 



76.0 



78.7 



14 



71.3 



72.3 



75.0 



75.3 



74.3 



78.3 



68.0 



V2.7 



76.0 



65.3 



64.0 



75.3 



73.3 



80.3 



15 



■ 70.7 



69.4 



77.0 



79.7 



68.0 



81.3 



68.0 



82.3 



73.7 



70.0 



67.0 



75.8 



76.7 



78.0 



16 



70.8 



66.0 



67.0 



76.0 



60.8 



80.0 



69.3 



76.3 



83.7 



69.7 



67.3 



71.0 



79.7 



66.7 



17 



70.8 



68.3 



68.7 



79.2 



71.0 



77.7 



72.0 



76.0 



85.3 



69.3 



66.7 



68.7 



77.7 



73.3 



18 



82.0 



63.3 



67.3 



72.0 



74.0 



75.7 



74.3 



75.7 



86.7 



70.0 



68.7 



69.0 



68.0 



70.3 



19 



75.1 



64.3 



70.7 



81.7 



72.3 



79.0 



69.0 



67.7 



78.3 



78.7 



75.0 



68.2 



68.7 



74.0 



20 



78.6 



59.4 



77.0 



85.7 



73.0 



80.0 



74.7 



71.0 



79.7 



74.3 



74.7 



69.0 



69.7 



77.0 



21 



75.7 



65.0 



69.3 



86.2 



73.0 



70.7 



74.3 



76.0 



86.2 



79.0 



59.0 



68.3 



70.0 



74.5 



22 



72.3 



74.1 



79.3 



81.8 



76.0 



62.3 



73.0 



81.0 



86.5 



74.7 



67.0 



80.3 



74.7 



72.7 



23 



70.3 



67.1 



70.7 



65.3 



74.7 



61.3 



75.7 



76.0 



73.0 



76.3 



67.7 



70.3 



76.7 



77.3 



24 



71.8 



66.2 



70.7 



80.3 



77.7. 



65.3 



78.0 



69.7 



68.3 



80.3 



67.2 



77.7 



72.7 



79.0 



25 



68.6 



72.3 



69.0 



77.3 



74.7 



65.0 



80.0 



68.8 



67.3 



77.0 



65.2 



68.7 



79.3 



77.3 



26 



62.0 



65.0 



77.2 



70.5 



74.0 



52.0 



75.3 



70.7 



60.7 



70.7 



67.7 



70.3 



81.7 



70.3 



27 



64.0 



68.8 



77.7 



70.7 



76.3 



66.7 



77.3 



72.0 



58.7 



72.3 



69.3 



77.0 



76.0 



69.3 



28 



63.3 



77.7 



69.0 



72.6 



71.0 



72.3 



73.0 



71.0 



61.0 



73.3 



71.2 



68.7 



70.3 



71.0 



29 



68.2 



70.7 



70.0 



78.3 



71.3 



71.0 



67.7 



74.3 



63.3 



75.3 



68.7 



68.7 



75.0 



65.7 



30 



68.8 



77.0 



76.0 



70.8 



74.8 



73.0 



70.0 



74.1 



70.3 



72.7 



67.7 



64.7 



67.7 



75.3 



31 



67.0 



71.0 



72.0 



67.7 



75.5 



73.3 



72.0 



78.7 



70.7 



80.0 



70.0 



67.0 



66.7 



69.7 



Mean, 



70.13 



71.29 72.11 



76.42 



75.50 



72.91 



72.83 



71.62 



72.26 



74.06 



67.36 



71.86 



73.67 



72.10 



