The streamflow hydrograph (in cms, or m^3/s) for the 250 km^2
drainage basin is shown below:

Time    Flow
(hr)   (cms)
   0    1.37
   5    1.25
  10    1.12
  15    5.00
  20   12.00
  25   15.60
  30   17.15
  35   14.40
  40   12.50
  45   10.70
  50    8.80
  55    6.80
  60    5.50
  65    4.10
  70    2.75
  75    2.00
  80    1.20
  85    0.65
  90    0.60
  95    0.55
 100    0.51