1 64 



ANNUAL AMOUNT OF AQUEOUS PRECIPITATION 



PENNSYLVANIA. 



(5 



^< 



>" 



< 



1837 



35.66 



■839 



25.62 



1840 



28.64 



1841 



3484 



1842 



41-54 



•843 



38-71 



1844 



32-SS 



JS45 



31-89 



1846 



47-79 



1847 



46.22 



1848 



34-14 



1849 



34-81 



1850 



37-41 



1851 



29.64 



1852 



41.36 



«S53 



33-63 



1854 



26.67 



1855 



43-33 



1856 



26.59 



1857 



38-96 



1858 



36.21 



1859 



34.08* 



i860 





1861 





1862 





1863 



... 



1865 



1870 

 I87I 



1873 

 1874 



50.50 



36-38 





46.22 



19-32 



«7-43* 

 33-04* 

 19.72* 



34-17* 

 44.65 



40-37 



64* 



36-64 



§2 



.20 



51.62* 

 7364 

 50.56 

 60. u* 



36.06 



56.51 



23-97* 

 40.84 

 34.86 

 40.27 



32.00* 

 38.78 

 43-96 

 39.86-' 

 29-63 

 34-79 

 37-61 

 34-33 

 29.67 

 26.75 

 40-37 

 40.71' 



35-95 



35-83* 

 23 -94 

 47-36 

 32.76* 

 39- 24 

 25.81' 



39.26* 



27-75 

 42.69 



36.73 

 41-35^ 



43-25 



52.35 

 76.38 

 49-75 

 59.01 



45-49 

 39-"6 

 46.66 

 37-67 



41.48 



43.02 

 53-79 

 40.77 

 47-30 

 40.81 

 44-92 

 46-58 

 34-29 

 45.60 



44.16 



37.02 



38.02 

 33-78 

 39-97 

 32-67 



35-36 



