REPORT OF INVESTIGATIONS No. 40 J F M A M J J A S 0 N D Figure 22. Graph of the minimum, average, and maximum monthly discharge of the Perdido River at Barrineau Park, 1941-61. 2600 2200 2000 1800 MAXIMUM 1600 - 1400 1200 -- -- __ AVERAGE 800 6000 - 600 -- .... : --MINIM M S:: : ." -M- M-INIMUM n0- __ - I