330 



Bulletin 241. 



Monthly and Annual Temperatures at Ithaca, New York 



January. . . 

 February. 

 March . . . . 



April 



May 



June 



July 



August. . . . 

 September 

 October. . . 

 November, 

 December. 

 Annual . . . 



Monthly and Annual Precipitation at Ithaca, NE^v York 



Normal. 



January. . . 

 February. , 

 March . . . . 



April 



May 



June 



July 



August. . . . 

 September 

 October. . . 

 November. 

 December . 

 Annual . . . 



2.17 

 1.S3 

 2.52 

 2 22 

 3.72 

 3.71 

 3.81 

 3.37 

 2.78 

 3.16 

 2.52 

 2.49 

 34.40 



1904. 



1905. 



3.46 

 1.40 

 2.23 

 2.93 

 4.64 

 1.77 

 3.79 

 2.20 

 1.93 

 2.71 

 0.84 

 2.08 

 30.04 



2.82 

 0.71 

 3.06 

 2.64 

 1.92 

 6.81 

 4.97 

 2.83 

 3.66 

 4.36 

 1.34 

 2.92 

 38.04 



1906. 



1.07 

 1.21 

 3.28 

 1.77 

 3.71 

 7.06 

 1.94 

 2.53 



It is interesting to note that the apparent increase in yield due to 

 fertihzer was also greater in igo6 than in 1905. Thus, while eight plats 

 in 1905 receiving no fertilizers yielded 2 160 pounds, the average apparent 

 increase in yield of ten plats receiving commercial fertilizers was 172 1.2 

 pounds, but in 1906 when the average yield of the eight plats receiving 

 no fertilizer was at the rate of 3365, the apparent increase in yield, on the 



