140 



ANNUAL AMOUNT OF AQUEOUS PRECIPITATION 



MINNESOTA. 



• 





, tc 



1 





G 



>. 





M 



a 1 



p_ 







> 





3 



_S 



1 





5 





.S 1 



1 1 



>• 



< 



« 



ra 



m 



(5 



h 



b 



s2 



h 



i4 



1837 





















24.02 





1S3S 































27.72 





■839 































21.19 





1840 































23. '7 





1 841 































21.67 





1842 































26.52* 





1843 































23.79 





1844 































30.24 





1845 































25.34 





1846 

































26.10 





1847 

































21.80 





1S48 

































23-18 





.849 

































49.69 





1850 































35.32 



25-50 





1851 































36.14* 



23-42 





1852 





























34-52 



15.07 





1853 





























26.12 



20.47 





1S54 

























25.30 



18.49 



26.59 





1855 



























34.78 



23-55 



24-78 





1856 

















1 









23.20 



25-33 



22.62 





1857 

















.. 











38.38 





32-09 





1858 















30.72* 











22.52 



19.81 









1859 







33 



55 







40.50* 







33-76* 



32.85 



26.00 









i860 















49-82* 







32.61* 



16.97 



30.61 









1861 







34 



56 













27-34* 



23.05 



32-42 









1862 







24 



94'-' 

















30.05 



14-39 









1863 







23 



39* 



















18.17 



17.20 









1864 







20 



59* 

















-. 



14.46 



12.06* 









.865 







25 



92* 



















34-94* 



25.11* 









1866 







27 



lO"- 































1867 







39 



19* 























30.34 









1868 







29 



96 





















. 



32.20 



28.07 





1869 



35 



.01 



31 



S3 

























34.83 



31 -«5* 



1870 







25 



40 























29.06* 



26.07 



24-75* 



1871 







24 



21* 























34.02 



21.78 





1872 







24 



78 























34-77 



17.02 





1873 







25 



II* 



27-39 







38.73 











40.78 



18.71 





1874 











27.63 





" 



36.44 











37.73* 



18.56 





1875 











17-75 







26.93 

















1876 



3: 







18.13 







32.27 

















Mean . . 



•97 



27.60 



23.08 



40.35 



33-30 





25.47 



27.68 



25-31 



29.26 





