Figure: 30 TAC §298.330(e)(12)(A)

United States Geological Survey Gage 08159200, Colorado River at Bastrop
Season Month Hydrologic
Condition
Subsistence Base Seasonal
Pulse
(2 per season)
Winter December Severe 186 cfs 311 cfs Magnitude:
3,000 cfs
Duration:
4 days
December Dry N/A 311 cfs
December Average N/A 450 cfs
January Severe 208 cfs 313 cfs
January Dry N/A 313 cfs
January Average N/A 433 cfs
February Severe 274 317 cfs
February Dry N/A 317 cfs
February Average N/A 497 cfs
Spring March Severe 274 cfs 274 cfs Magnitude:
3,000 cfs
Duration:
4 days
March Dry N/A 274 cfs
March Average N/A 497 cfs
April Severe 184 cfs 287 cfs
April Dry N/A 287 cfs
April Average N/A 635 cfs
May Severe 275 cfs 579 cfs
May Dry N/A 579 cfs
May Average N/A 824 cfs
June Severe 202 cfs 418 cfs
June Dry N/A 418 cfs
June Average N/A 733 cfs
Summer July Severe 137 cfs 347 cfs Magnitude:
3,000 cfs
Duration:
4 days
July Dry N/A 347 cfs
July Average N/A 610 cfs
August Severe 123 cfs 194 cfs
August Dry N/A 194 cfs
August Average N/A 381 cfs
Fall September Severe 123 cfs 236 cfs Magnitude:
3,000 cfs
Duration:
4 days
September Dry N/A 236 cfs
September Average N/A 423 cfs
October Severe 127 cfs 245 cfs
October Dry N/A 245 cfs
October Average N/A 433 cfs
November Severe 180 cfs 283 cfs
November Dry N/A 283 cfs
November Average N/A 424 cfs

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