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Short Term Borrowings (Tables)
12 Months Ended
Dec. 31, 2012
Short Term Borrowings Tables  
Informatin regarding short-term borrowings

nformation regarding the Company’s short-term borrowings for the years ended December 31, 2012 and 2011 is summarized below:

 

   (Millions of  Dollars) 
   2012   2011 
Established Lines at Year-End  $60.0   $60.0 
Maximum Amount Outstanding   29.0    24.3 
Average Outstanding   25.5    20.7 
Notes Payable at Year-End   28.0    24.3 
Weighted Average Interest Rate   1.43%   1.44%
Weighted Average Interest Rate at Year-End   1.40%   1.33%