Figure: 30 TAC §298.380(c)(14)(A)

United States Geological Survey Gage 08186000, Cibolo Creek near Falls City
Subsistence Flows, Base Flows, and Small Seasonal Pulses
Season Hydrologic
Condition		 Subsistence Base Small Seasonal Pulse
Winter Dry 8 cfs 20 cfs Trigger: 570 cfs
Volume: 3,200 af
Duration: 20 days
Frequency: 1 per season
Winter Average N/A 28 cfs
Winter Wet N/A 39 cfs
Spring Dry 8 cfs 16 cfs N/A
Spring Average N/A 28 cfs
Spring Wet N/A 44 cfs
Summer Dry 8 cfs 11 cfs Trigger: 390 cfs
Volume: 1,990 af
Duration: 15 days
Frequency: 1 per season
Summer Average N/A 20 cfs
Summer Wet N/A 37 cfs
Fall Dry 8 cfs 13 cfs Trigger: 190 cfs
Volume: 1,000 af
Duration: 13 days
Frequency: 2 per season
Fall Average N/A 24 cfs
Fall Wet N/A 40 cfs

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