286 



TABLES OF THE MEAN ANNUAL TEMPERATURE 



PEMNSYLVANIA.— Continued. 



1820 

 1821 

 1822 

 1S23 

 1824 

 1S25 

 1826 

 1827 

 1828 

 1S29 

 1830 

 1831 

 1832 

 1833 

 1S34 

 1S35 

 1836 

 1837 

 183S 



1839 

 1840 



1847 



1850 

 1851 

 1852 



1853 

 1854 



185s 

 1S56 

 1857 

 1858 



1S59 

 i860 



1865 

 1866 

 1S67 

 1868 

 1869 

 1870 





49-94 





48. 98 



52-95 



SI. 78 



54.SI 



49.86 



54-94 



51-76 





53-58 





53-83 





53-46 



49.06'^ 



50-39 

 52-73 



51.26 



45-64 

 46.70- 

 48. 84 



47-28 



51.87 

 52-98 



53-94 



53-03 

 54- 1 S* 



55-29 

 53-99 



54-17" 



53.00 



52-37* 

 51.62 

 51.09* 

 49-98* 

 51-74 

 53-95 



49-37 

 49.80 

 50.00 



51-77 

 49.11 



50-45 

 51.58 

 51-52 

 50-13 

 50-35 

 49.66 



51-19 

 51.90 

 50.10 

 52.23 

 52-50 

 50.78 

 50.96 

 49-32 

 51-64 

 51-15 



51.60 

 50.78 



53-32 

 53-43* 

 52.12* 

 53-52 

 53-83 

 54-26 

 53-52 

 55-o6 

 54-38 

 53.86 



53-93 



53.06 



55-48 



55-26 



53-35 



51.88 



51-37 



53-27 



53-36 



54-56 



54-45 



53-44 



53-24* 



53-83 



54-93 



54.01 



52.60 



51.04 



52.66* 



53-41 

 50-74 

 50.75 

 51-54* 

 52.66* 

 52.14 



50.50* 

 51.97* 



51-85 



50.40 



45-78* 

 47.12 

 49.61 



46.53 

 48.06 

 47-81 



47-23^ 



46.47 

 47.60 

 49.48 

 49.42 

 49-03' 



48. 76 

 48.14 

 47.72 

 46.52 

 47-82 

 50-19 



48. 2 1 



44.68--< 

 45-79 

 48.28* 



47.80 



51-29 

 50.61 

 49.62 

 48-97 

 50.65 

 52.44 



50.55 



