2000_ 



1000. 



A 

 1965-1976 



I I I I I I L 



I I 



_75 



50 



25 



J FMAMJ J ASOND 

 Month 



JFMAMJJASOND 

 Month 



J FMAMJJA SOND 

 Month 



_3 



a 



3 



20 



15 



10 



r 5 



Q 



1973 



Id I L 



_L 



J F M A 



M J J A S 

 Month 



O N D 



Figure 3-37. Freshwater supply of Mermentau Basin: (A) riverine input from U.S. Geological Survey discharge 

 data; (B) mean monthly water surplus (deficit); (C) monthly water surplus (deficit) in a dry year; 

 and (D) monthly water surplus (deficit) in a wet year. Calculated from U.S. Weather Service data, as 

 described by Borengasser 1977. 



106 



