28 



RESULTS OP METEOROLOGICAL OBSERVATIONS 



Table 



IV CONTAINS THE MONTHLY 



AVERAGE Values of the observed Temperatures at the 











Hours 1 a. m., 1 p. m., and 



6 P. M. 















Numbers within brackets do not comprise a full month. 











JaDuary. 







February. 







March. 







April. 





Tear. 



























7 A.M. 



IP. M. 



6 P. M. 



7 A. M. 



1 P. M. 



6 P. M. 



7 A.M. 



1P.M. 



6 P.M. 



7 A.M. 



IP. M. 



6 P. M. 



1807 





















-. 



.. 



.. 



1808 



13°.9 



24°.8 



20°. 8 



21°. 6 



31°.9 



27°.5 



28°. 8 



38°.l 



.35°.l 



39°.3 



50°.9 



45°.8 



1809 



10.1 



23.4 



18.7 



9.4 



22.0 



17.5 



[19.4 



29.7 



18.5] 



37.7 



49.8 



41.7 



1810 



11.5 



24.3 



20.4 



18.0 



31.6 



26.8 



26.5 



37.2 



30.5 



40.2 



53.7 



43.7 



1811 



15.1 



25.9 



21.5 



18.1 



29.4 



24.2 



32.5 



42.6 



36.4 



39.7 



53.2 



43.9 



1812 



11.3 



22.3 



18.4 



13.9 



25.8 



22.5 



17.3 



33.2 



28.3 



35.5 



49.3 



42.2 



1813 



11.7 



22.3 



19.6 



16.2 



29.5 



24.9 



19.1 



33.7 



29.5 



35.8 



50.9 



44.9 



1814 



12.6 



26.5 



21.1 



20.0 



32 5 



27.5 



24.3 



36.4 



30.7 



38.8 



51.5 



43.6 



1815 



12.4 



24.1 



19.9 



10.6 



27.3 



22.5 



28.3 



37.3 



32.7 



38.0 



48.0 



40.4 



1816 



11.8 



26.5 



21.9 



17.1 



29.1 



24.0 



21.5 



33.3 



28.4 



37.6 



49.2 



40.9 



1817 



9.2 



21.5 



17.9 



7.1 



22.4 



18.8 



24.5 



37.0 



30.0 



37.9 



48.3 



40.3 



1818 



14.2 



25.1 



20.6 



7.7 



26.8 



16.1 



26.9 



43.0 



35.1 



39.3 



49.2 



41.0 



1819 



17.6 



34.1 



26.0' 



21.1 



38.1 



29.4 



22.2 



36.0 



25.1 



37.5 



48.0 



41.6 



1820 



6.8 



25.8 



18.5 



20.2 



35.3 



27.4 



27.5 



36.9 



30.6 



39.7 



50.5 



41.2 



1821 



[7.5 



18.0 



15.0] 



23.2 



31.8 



28.6 



27..0 



36.1 



29.5 



38.6 



47.0 



39.7 



1822 



7.9 



19.6 



16.7 



12.4 



27.3 



24.0 



27.4 



40.5 



35.3 



37.0 



44.8 



39.6 



1823 



11.9 



24.0 



19.8 



7.7 



22.2 



16.3 



21.3 



34.9 



29.8 



35.3 



46.6 



40.0 



1824 



14.3 



25.3 



20.7 



17.4 



25.9 



22.4 



26.3 



38.4 



31.6 



40.2 



49.6 



42.6 



1825 



13.6 



22.4 



21.0 



16.0 



27.4 



24.6 



33.2 



40.6 



38.5 



44.4 



57.7 



51.9 



1826 



16.6 



26.7 



22.9 



16.3 



29.8 



26.5 



28.1 



37.9 



34.1 



38.0 



47.0 



41.8 



1827 



12.0 



22.8 



19.5 



16.8 



28.4 



24.1 



26.9 



41.0 



34.5 



42.7 



53.4 



49.4 



1828 



18.7 



30.3 



25.4 



27.4 



36.6 



33.3 



30.0 



42.9 



35.7 



37.8 



48.0 



43.4 



1829 



14.5 



24.5 



19.8 



11.8 



26.0 



21.7 



27.9 



39.1 



33.7 



43.3 



53.2 



44.1 



1830 



14.6 



24.7 



19.4 



16.7 



27.9 



22.0 



30.5 



42.5 



36.5 



47.7 



59.3 



52.2 



1831 



17.0 



26.3 



23.5 



20.3 



31.9 



26.5 



35.9 



46.9 



39.9 



45.0 



53.2 



47.2 



1832 



19.4 



31.3 



27.7 



19.1 



29.1 



25.6 



29.4 



39.0 



36.4 



38.9 



47.7 



40.9 



1833 



22.1 



29.6 



26.4 



14.8 



27.3 



24.9 



27.0 



36.8 



33.5 



44.4 



53.9 



40.3 



1834 



12.5 



24.6 



21.7 



23.1 



36.7 



30.7 



29.3 



40.0 



35.3 



43.6 



54.5 



45.8 



1835 



18.0 



30.3 



26.7 



15.6 



26.9 



23.2 



24.6 



37.4 



33.1 



40.0 



48.8 



43.1 



1836 



18.8 



28.3 



25.6 



9.8 



24.7 



20.8 



22.3 



38.9 



32.4 



37.3 



48.4 



41.9 



1837 



11.3 



24.3 



21.2 



26.5 



36.9 



32.7 



32.3 



46.9 



39.5 



45.9 



56 7 



52.0 



1838 



31.6 



39.7 



36.4 



17.4 



29.9 



25.9 



36.3 



48.3 



42.2 



41.6 



53.0 



47.0 



1839 



24.4 



34.7 



30.1 



26.9 



37.7 



33.6 



34.5 



44.1 



39.6 



45.3 



58.4 



52.1 



1840 



15.9 



27.7 



24.1 



32.4 



42.5 



37.7 



35.0 



45.9 



40.4 



48.4 



58.7 



52.0 



1841 



25.0 



33.8 



30.2 



17.5 



32.0 



28.1 



27.7 



43.4 



35.7 



40.0 



47.9 



41.7 



1842 



19.0 



30.5 



27.1 



26.1 



34.9 



31.5 



32.1 



41.8 



37.6 



40.6 



51.0 



44.2 



1843 



24.9 



36.1 



31.5 



13.1 



24.7 



21.1 



23.6 



36.4 



31.5 



41.6 



52.4 



43.8 



1844 



5.2 



16.6 



15.4 



12.2 



28.7 



,25.3 



25.6 



36.2 



32.4 



40.2 



54.8 



47.3 



1845 



17.0 



26.2 



23.0 



15.6 



27.7 



24.4 



24.8 



37.4 



31.9 



37.4 



46.2 



39.7 



1846 



15.1 



26.4 



23.0 



9.4 



21.4 



18.3 



28.2 



39.3 



35.4 



39.2 



53.0 



45.8 



1847 



14.5 



25.2 



21.4 



14.5 



27.0 



24.3 



20.1 



32.3 



28.8 



33.0 



43.6 



37.9 



1848 



19.7 



28.3 



25.7 



17.9 



30.1 



27.3 



22.4 



35.5 



31.0 



37.7 



50.2 



44.3 



1849 



9.9 



21.9 



18.3 



7.4 



21.7 



17.4 



27.8 



39.0 



34.2 



35.0 



46.4 



39.9 



1850 



16.5 



27.6 



23.8 



19.3 



31.9 



27.9 



23.8 



36.8 



31.1 



34.4 



45.8 



39.9 



1851 



11.7 



23.7 



19.9 



18.5 



31.1 



25.9 



26.8 



38.5 



32.9 



38.4 



48.0 



43.2 



1852 



11.8 



22.9 



18.9 



16.9 



30.9 



26.0 



26.6 



40.2 



33.8 



35.9 



45.3 



41.3 



1853 



























1854 



10.4 



22.1 



18.0 



11.2 



23.2 



20.1 



23.3 



36.2 



29.9 



33.6 



45.6 



37.6 



1855 









13.3 



23.6 



20.3 



22.7 



37.2 



31.0 



35.9 



49.2 



41.0 



1856 



6.1 



21.2 



17.2 



10.2 



24.6 



19.9 



15.1 



33.2 



27.3 



37.7 



51.2 



42.9 



1857 



6.4 



18.7 



16.2 



27.5 



38.4 



34.1 



26.9 



42.7 



34.2 



40.7 



53.1 



44.8 



1858 



19.5 



31.4 



27.4 



12.6 



28.2 



23.1 



25.5 



38.4 



33.5 



39.2 



51.9 



43.7 



1859 



11.1 



21.9 



18.0 



14.2 



29.1 



22.5 



25.4 



40.0 



32.8 



33.5 



45.8 



38.4 



Means, 



14.5 



25.9 





16.7 



29.4 





26.5 



38.8 





39.3 



50.5 







