Lysimeter Experiments 



97 



TABLE 4 (continued) 

 Data by months (conchided) 



Average of each month 



Month 



May 



June 



July 



August 



September 

 October. . . 

 November 

 December . 

 January . . . 

 February . , 

 March . . . . 

 April 



Rainfall 

 (inches) 



3.36 

 2.57 

 2.05 

 3.62 

 4.02 

 2.49 

 1.89 

 2.03 

 2.63 

 2.09 

 2.11 

 2.28 



Temperature 



(degrees Fahrenheit) 



Mean 

 maxi- 

 mum 



69.9 

 76.4 

 83.3 

 79.2 

 71.9 

 61.5 

 46.0 

 36.4 

 34.2 

 32.4 

 40.2 

 56.3 



Mean 

 mini- 

 mum 



46.6 

 52.8 

 61.2 

 56.8 

 50.3 

 42.8 

 32.1 

 22.8 

 18.9 

 15.8 

 22.3 

 35.8 



Mean 



58.3 

 64.6 

 71.3 

 68.0 

 61.2 

 52.2 

 39.0 

 29.6 

 26.6 

 23.9 

 31.3 

 46.1 



Hours 

 of sun- 

 shine 



277.4 

 289.5 

 293.1 

 242.9 

 209.2 

 165.4 

 81.7 

 60.6 



87 

 123 

 156 

 187, 



Average 



hourly 



velocity 



of wind 



(miles) 



9.2 



8.0 



7.7 



8.3 



8.3 



9.7 



12.3 



11.0 



12.8 



10.5 



12.0 



11.0 



Monthly 



mean 



humidity 



of air at 



8 a. m. 



(per cent) 



73.8 

 70.6 

 72.2 

 75.4 

 81.8 

 81.6 

 79.5 

 82.6 

 83.2 

 83.5 

 81.6 

 73.8 



97 



