March, 1928] 



Electric Datry Cold Storage 



9 



used to $75.60 when 1080 kwhs. were used Tlie annual average oon- 

 suinption was 1045 kwhs. and average cost $54.80. It is evident that 

 the kngth of time and cost of operation are controlled by temperature 

 conditions which vary from year to year, being particularly affected 



Fig. 3. Current consumption and outside temperature curves for 1924, 1925 and 

 1926 on Farm No. 2 showing the relation of the two factors. Kwhs. appear 

 as the heavy ciu-ve and degrees fahrt. as the light curve. 



