284 



TABLES OF THE MEAN ANNUAL TEMPERATURE 



OREGON.— Continued. 



1S25 

 1826 

 1827 

 1828 

 1829 

 1S30 

 1831 

 1832 

 1833 

 1S34 

 183s 

 1836 



1S37 

 1838 



1S39 

 1840 

 1841 

 1842 

 1S43 

 1S44 

 1S45 

 1S46 

 1847 

 184S 

 1849 

 1850 

 1851 

 1852 

 1853 

 1854 

 1S55 

 1856 

 1857 



1861 

 1863 

 1863 

 1864 

 1865 

 1866 

 1867 

 1S68 

 1869 

 1870 



52.82 50.96 40.06 54.37 53.46 50.52 5 



50.98 

 48.63 

 47.78 

 49.89 

 49.63' 

 45.46 

 49.46' 

 50.03 



54,25 



90 53-45 53-23 55-41' 



PENNSYLVANIA. 



52-75 



53-51' 

 54.28 



47.84 

 46.50 

 49.61 

 50.58 

 50.15 

 49-23 

 50.42 

 49.01 

 50.91 

 50.02 

 52.94 

 50.70 

 50.92 



50-37 

 50.48 

 50-94 

 50.46 

 51-54 

 52.67 

 49-78 

 47-38 

 49.48 

 52.05 

 51.30* 

 52-41 

 51-25* 

 52-04 

 51-55* 

 51-65 

 53-04 



45.96 50.78 



48.64 50.74 



52.16 

 49-40* 

 48. 30 

 49.02 

 51-38* 

 50-83* 

 50.91 

 51.66 



50.54 



' Hours of observation unknown. 



