Figure: 30 TAC §298.330(e)(14)(A)

United States Geological Survey Gage 08162000, Colorado River at Wharton
Season Month Hydrologic
Condition		 Subsistence Base Seasonal
Pulse
(2 per
season)
Winter December Severe 202 cfs 470 cfs Magnitude:
3,000 cfs
Duration: 4
days
December Dry N/A 470 cfs
December Average N/A 746 cfs
January Severe 315 cfs 492 cfs
January Dry N/A 492 cfs
January Average N/A 838 cfs
February Severe 303 597 cfs
February Dry N/A 597 cfs
February Average N/A 906 cfs
Spring March Severe 204 cfs 531 cfs Magnitude:
3,000 cfs
Duration:
4 days
March Dry N/A 531 cfs
March Average N/A 1,036 cfs
April Severe 270 cfs 561 cfs
April Dry N/A 561 cfs
April Average N/A 1,011 cfs
May Severe 304 cfs 985 cfs
May Dry N/A 985 cfs
May Average N/A 1,397 cfs
June Severe 371 cfs 984 cfs
June Dry N/A 984 cfs
June Average N/A 1,512 cfs
Summer July Severe 212 cfs 577 cfs Magnitude:
3,000 cfs
Duration:
4 days
July Dry N/A 577 cfs
July Average N/A 906 cfs
August Severe 107 cfs 314 cfs
August Dry N/A 314 cfs
August Average N/A 522 cfs
Fall September Severe 188 cfs 410 cfs Magnitude:
3,000 cfs
Duration:
4 days
September Dry N/A 410 cfs
September Average N/A 617 cfs
October Severe 147 cfs 360 cfs
October Dry N/A 360 cfs
October Average N/A 749 cfs
November Severe 173 cfs 486 cfs
November Dry N/A 486 cfs
November Average N/A 764 cfs

cfs = cubic feet per second
N/A = not applicable