Figure: 30 TAC §298.430(c)(13)

United States Geological Survey Gage 08206600, Frio River at Tilden
  Winter Spring Summer Fall
Subsistence
Flow
1 cfs 1 cfs 1 cfs 1 cfs
Base Flow 12 cfs 7 cfs 2 cfs 3 cfs
Small
Seasonal
Pulse
(2 per season)
Trigger: 86 cfs
Volume: 1,070 af
Duration:  13 days
Trigger: 460 cfs
Volume: 4,470 af
Duration: 14 days
Trigger: 36 cfs
Volume: 280 af
Duration: 9 days
Trigger: 120 cfs
Volume: 1,080 af
Duration:  12 days
Large
Seasonal
Pulse
(1 per season)
Trigger: 390 cfs
Volume:  5,320 af
Duration:  20 days
N/A Trigger: 270 cfs
Volume:  2,440 af
Duration: 14 days
Trigger: 960 cfs
Volume:  10,400 af
Duration:  20 days

cfs = cubic feet per second
af = acre-feet
N/A = not applicable