64 REPORT OF INVESTIGATIONS NO. 50
1000
LOW-FLOW FREQUENCY
700 'Example: For a 10-year recurrence interval the 7-day minimum flow is 12.5 cfs and the I-year minimum 500 flow is 112 cfs
300
z 2002 70 .
0
U (L 9 LJ
z 0
LaJ
N '
0
Drainage area 260 sq. mi.
Average flow: 277 cfs
10 1 1 1
1.01 1.05 I.I 1.2 1.5 2 3 4 5 7 10 15 20 30 RECURRENCE INTERVAL, IN YEARS
Figure 28. Low-flow frequencies for Econlockhatchee River near Chuluota.