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Hydrograph River at a Glance Download
Frio River near Derby Stage (ft)Flow (cfs)Observed: 1.04 ft at 11:00AM Jan 24, 2020Observed: 1.04 ft at 11:15AM Jan 24, 2020Observed: 1.04 ft at 11:30AM Jan 24, 2020Observed: 1.04 ft at 11:45AM Jan 24, 2020Observed: 1.04 ft at 12:00PM Jan 24, 2020Observed: 1.04 ft at 12:15PM Jan 24, 2020Observed: 1.04 ft at 12:30PM Jan 24, 2020Observed: 1.04 ft at 12:45PM Jan 24, 2020Observed: 1.04 ft at 1:00PM Jan 24, 2020Observed: 1.04 ft at 1:15PM Jan 24, 2020Observed: 1.04 ft at 1:30PM Jan 24, 2020Observed: 1.04 ft at 1:45PM Jan 24, 2020Observed: 1.04 ft at 2:00PM Jan 24, 2020Observed: 1.04 ft at 2:15PM Jan 24, 2020Observed: 1.04 ft at 2:30PM Jan 24, 2020Observed: 1.04 ft at 2:45PM Jan 24, 2020Observed: 1.04 ft at 3:00PM Jan 24, 2020Observed: 1.04 ft at 3:15PM Jan 24, 2020Observed: 1.04 ft at 3:30PM Jan 24, 2020Observed: 1.04 ft at 3:45PM Jan 24, 2020Observed: 1.04 ft at 4:00PM Jan 24, 2020Observed: 1.04 ft at 4:15PM Jan 24, 2020Observed: 1.04 ft at 4:30PM Jan 24, 2020Observed: 1.04 ft at 4:45PM Jan 24, 2020Observed: 1.04 ft at 5:00PM Jan 24, 2020Observed: 1.04 ft at 5:15PM Jan 24, 2020Observed: 1.04 ft at 5:30PM Jan 24, 2020Observed: 1.04 ft at 5:45PM Jan 24, 2020Observed: 1.04 ft at 6:00PM Jan 24, 2020Observed: 1.04 ft at 6:15PM Jan 24, 2020Observed: 1.04 ft at 6:30PM Jan 24, 2020Observed: 1.04 ft at 6:45PM Jan 24, 2020Observed: 1.04 ft at 7:00PM Jan 24, 2020Observed: 1.04 ft at 7:15PM Jan 24, 2020Observed: 1.04 ft at 7:30PM Jan 24, 2020Observed: 1.04 ft at 7:45PM Jan 24, 2020Observed: 1.04 ft at 8:00PM Jan 24, 2020Observed: 1.04 ft at 8:15PM Jan 24, 2020Observed: 1.04 ft at 8:30PM Jan 24, 2020Observed: 1.04 ft at 8:45PM Jan 24, 2020Observed: 1.03 ft at 9:00PM Jan 24, 2020Observed: 1.03 ft at 9:15PM Jan 24, 2020Observed: 1.03 ft at 9:30PM Jan 24, 2020Observed: 1.03 ft at 9:45PM Jan 24, 2020Observed: 1.03 ft at 10:00PM Jan 24, 2020Observed: 1.03 ft at 10:15PM Jan 24, 2020Observed: 1.03 ft at 10:30PM Jan 24, 2020Observed: 1.03 ft at 10:45PM Jan 24, 2020Observed: 1.03 ft at 11:00PM Jan 24, 2020Observed: 1.03 ft at 11:15PM Jan 24, 2020Observed: 1.03 ft at 11:30PM Jan 24, 2020Observed: 1.03 ft at 11:45PM Jan 24, 2020Observed: 1.03 ft at 12:00AM Jan 25, 2020Observed: 1.03 ft at 12:15AM Jan 25, 2020Observed: 1.03 ft at 12:30AM Jan 25, 2020Observed: 1.03 ft at 12:45AM Jan 25, 2020Observed: 1.03 ft at 1:00AM Jan 25, 2020Observed: 1.03 ft at 1:15AM Jan 25, 2020Observed: 1.03 ft at 1:30AM Jan 25, 2020Observed: 1.03 ft at 1:45AM Jan 25, 2020Observed: 1.03 ft at 2:00AM Jan 25, 2020Observed: 1.03 ft at 2:15AM Jan 25, 2020Observed: 1.03 ft at 2:30AM Jan 25, 2020Observed: 1.03 ft at 2:45AM Jan 25, 2020Observed: 1.03 ft at 3:00AM Jan 25, 2020Observed: 1.03 ft at 3:15AM Jan 25, 2020Observed: 1.03 ft at 3:30AM Jan 25, 2020Observed: 1.03 ft at 3:45AM Jan 25, 2020Observed: 1.03 ft at 4:00AM Jan 25, 2020Observed: 1.03 ft at 4:15AM Jan 25, 2020Observed: 1.03 ft at 4:30AM Jan 25, 2020Observed: 1.03 ft at 4:45AM Jan 25, 2020Observed: 1.03 ft at 5:00AM Jan 25, 2020Observed: 1.03 ft at 5:15AM Jan 25, 2020Observed: 1.03 ft at 5:30AM Jan 25, 2020Observed: 1.03 ft at 5:45AM Jan 25, 2020Observed: 1.03 ft at 6:00AM Jan 25, 2020Observed: 1.03 ft at 6:15AM Jan 25, 2020Observed: 1.03 ft at 6:30AM Jan 25, 2020Observed: 1.03 ft at 6:45AM Jan 25, 2020Observed: 1.03 ft at 7:00AM Jan 25, 2020Observed: 1.03 ft at 7:15AM Jan 25, 2020Observed: 1.03 ft at 7:30AM Jan 25, 2020Observed: 1.03 ft at 7:45AM Jan 25, 2020Observed: 1.03 ft at 8:00AM Jan 25, 2020Observed: 1.03 ft at 8:15AM Jan 25, 2020Observed: 1.03 ft at 8:30AM Jan 25, 2020Observed: 1.03 ft at 8:45AM Jan 25, 2020Observed: 1.03 ft at 9:00AM Jan 25, 2020Observed: 1.04 ft at 9:15AM Jan 25, 2020Observed: 1.03 ft at 9:30AM Jan 25, 2020Observed: 1.04 ft at 9:45AM Jan 25, 2020Observed: 1.03 ft at 10:00AM Jan 25, 2020Observed: 1.04 ft at 10:15AM Jan 25, 2020Observed: 1.04 ft at 10:30AM Jan 25, 2020Observed: 1.04 ft at 10:45AM Jan 25, 2020Observed: 1.04 ft at 10:46AM Jan 25, 2020Observed: 1.04 ft at 11:00AM Jan 25, 2020Observed: 1.04 ft at 11:15AM Jan 25, 2020Observed: 1.04 ft at 11:30AM Jan 25, 2020Observed: 1.04 ft at 11:45AM Jan 25, 2020Observed: 1.04 ft at 12:00PM Jan 25, 2020Observed: 1.04 ft at 12:15PM Jan 25, 2020Observed: 1.04 ft at 12:30PM Jan 25, 2020Observed: 1.04 ft at 12:45PM Jan 25, 2020Observed: 1.04 ft at 1:00PM Jan 25, 2020Observed: 1.04 ft at 1:15PM Jan 25, 2020Observed: 1.04 ft at 1:30PM Jan 25, 2020Observed: 1.04 ft at 1:45PM Jan 25, 2020Observed: 1.04 ft at 2:00PM Jan 25, 2020Observed: 1.04 ft at 2:15PM Jan 25, 2020Observed: 1.04 ft at 2:30PM Jan 25, 2020Observed: 1.04 ft at 2:45PM Jan 25, 2020Observed: 1.04 ft at 3:00PM Jan 25, 2020Observed: 1.04 ft at 3:15PM Jan 25, 2020Observed: 1.04 ft at 3:30PM Jan 25, 2020Observed: 1.04 ft at 3:45PM Jan 25, 2020Observed: 1.04 ft at 4:00PM Jan 25, 2020Observed: 1.04 ft at 4:15PM Jan 25, 2020Observed: 1.05 ft at 4:30PM Jan 25, 2020Observed: 1.04 ft at 4:45PM Jan 25, 2020Observed: 1.04 ft at 5:00PM Jan 25, 2020Observed: 1.04 ft at 5:15PM Jan 25, 2020Observed: 1.04 ft at 5:30PM Jan 25, 2020Observed: 1.04 ft at 5:45PM Jan 25, 2020Observed: 1.05 ft at 6:00PM Jan 25, 2020Observed: 1.05 ft at 6:15PM Jan 25, 2020Observed: 1.04 ft at 6:30PM Jan 25, 2020Observed: 1.05 ft at 6:45PM Jan 25, 2020Observed: 1.05 ft at 7:00PM Jan 25, 2020Observed: 1.05 ft at 7:15PM Jan 25, 2020Observed: 1.05 ft at 7:30PM Jan 25, 2020Observed: 1.05 ft at 7:45PM Jan 25, 2020Observed: 1.05 ft at 8:00PM Jan 25, 2020Observed: 1.05 ft at 8:15PM Jan 25, 2020Observed: 1.05 ft at 8:30PM Jan 25, 2020Observed: 1.05 ft at 8:45PM Jan 25, 2020Observed: 1.05 ft at 9:00PM Jan 25, 2020Observed: 1.05 ft at 9:15PM Jan 25, 2020Observed: 1.05 ft at 9:30PM Jan 25, 2020Observed: 1.05 ft at 9:45PM Jan 25, 2020Observed: 1.05 ft at 10:00PM Jan 25, 2020Observed: 1.05 ft at 10:15PM Jan 25, 2020Observed: 1.05 ft at 10:30PM Jan 25, 2020Observed: 1.05 ft at 10:45PM Jan 25, 2020Observed: 1.05 ft at 11:00PM Jan 25, 2020Observed: 1.05 ft at 11:15PM Jan 25, 2020Observed: 1.05 ft at 11:30PM Jan 25, 2020Observed: 1.05 ft at 11:45PM Jan 25, 2020Observed: 1.05 ft at 12:00AM Jan 26, 2020Observed: 1.06 ft at 12:15AM Jan 26, 2020Observed: 1.06 ft at 12:30AM Jan 26, 2020Observed: 1.06 ft at 12:45AM Jan 26, 2020Observed: 1.06 ft at 1:00AM Jan 26, 2020Observed: 1.06 ft at 1:15AM Jan 26, 2020Observed: 1.06 ft at 1:30AM Jan 26, 2020Observed: 1.06 ft at 1:45AM Jan 26, 2020Observed: 1.06 ft at 2:00AM Jan 26, 2020Observed: 1.06 ft at 2:15AM Jan 26, 2020Observed: 1.06 ft at 2:30AM Jan 26, 2020Observed: 1.06 ft at 2:45AM Jan 26, 2020Observed: 1.06 ft at 3:00AM Jan 26, 2020Observed: 1.06 ft at 3:15AM Jan 26, 2020Observed: 1.06 ft at 3:30AM Jan 26, 2020Observed: 1.06 ft at 3:45AM Jan 26, 2020Observed: 1.06 ft at 4:00AM Jan 26, 2020Observed: 1.06 ft at 4:15AM Jan 26, 2020Observed: 1.06 ft at 4:30AM Jan 26, 2020Observed: 1.06 ft at 4:45AM Jan 26, 2020Observed: 1.06 ft at 5:00AM Jan 26, 2020Observed: 1.06 ft at 5:15AM Jan 26, 2020Observed: 1.07 ft at 5:30AM Jan 26, 2020Observed: 1.07 ft at 5:45AM Jan 26, 2020Observed: 1.07 ft at 6:00AM Jan 26, 2020Observed: 1.07 ft at 6:15AM Jan 26, 2020Observed: 1.07 ft at 6:30AM Jan 26, 2020Observed: 1.07 ft at 6:45AM Jan 26, 2020Observed: 1.07 ft at 7:00AM Jan 26, 2020Observed: 1.07 ft at 7:15AM Jan 26, 2020Observed: 1.07 ft at 7:30AM Jan 26, 2020Observed: 1.07 ft at 7:45AM Jan 26, 2020Observed: 1.07 ft at 8:00AM Jan 26, 2020Observed: 1.07 ft at 8:15AM Jan 26, 2020Observed: 1.07 ft at 8:30AM Jan 26, 2020Observed: 1.07 ft at 8:45AM Jan 26, 2020Observed: 1.07 ft at 9:00AM Jan 26, 2020Observed: 1.07 ft at 9:15AM Jan 26, 2020Observed: 1.07 ft at 9:30AM Jan 26, 2020Observed: 1.07 ft at 9:45AM Jan 26, 2020Observed: 1.06 ft at 10:00AM Jan 26, 2020Observed: 1.07 ft at 10:15AM Jan 26, 2020Observed: 1.07 ft at 10:30AM Jan 26, 2020Observed: 1.07 ft at 10:45AM Jan 26, 2020Observed: 1.07 ft at 10:46AM Jan 26, 2020Observed: 1.07 ft at 11:00AM Jan 26, 2020Observed: 1.07 ft at 11:15AM Jan 26, 2020Observed: 1.07 ft at 11:30AM Jan 26, 2020Observed: 1.07 ft at 11:45AM Jan 26, 2020Observed: 1.07 ft at 12:00PM Jan 26, 2020Observed: 1.07 ft at 12:15PM Jan 26, 2020Highest Observation: 1.08 ft at 12:30PM Jan 26, 2020Observed: 1.07 ft at 12:45PM Jan 26, 2020Highest Observation: 1.08 ft at 1:00PM Jan 26, 2020Highest Observation: 1.08 ft at 1:15PM Jan 26, 2020Observed: 1.07 ft at 1:30PM Jan 26, 2020Highest Observation: 1.08 ft at 1:45PM Jan 26, 2020Observed: 1.07 ft at 2:00PM Jan 26, 2020Highest Observation: 1.08 ft at 2:15PM Jan 26, 2020Highest Observation: 1.08 ft at 2:30PM Jan 26, 2020Highest Observation: 1.08 ft at 2:45PM Jan 26, 2020Highest Observation: 1.08 ft at 3:00PM Jan 26, 2020Highest Observation: 1.08 ft at 3:15PM Jan 26, 2020Highest Observation: 1.08 ft at 3:30PM Jan 26, 2020Highest Observation: 1.08 ft at 3:45PM Jan 26, 2020Highest Observation: 1.08 ft at 4:00PM Jan 26, 2020Highest Observation: 1.08 ft at 4:15PM Jan 26, 2020Highest Observation: 1.08 ft at 4:30PM Jan 26, 2020Highest Observation: 1.08 ft at 4:45PM Jan 26, 2020Highest Observation: 1.08 ft at 5:00PM Jan 26, 2020Highest Observation: 1.08 ft at 5:15PM Jan 26, 2020Highest Observation: 1.08 ft at 5:30PM Jan 26, 2020Highest Observation: 1.08 ft at 5:45PM Jan 26, 2020Highest Observation: 1.08 ft at 6:00PM Jan 26, 2020Highest Observation: 1.08 ft at 6:15PM Jan 26, 2020Highest Observation: 1.08 ft at 6:30PM Jan 26, 2020Highest Observation: 1.08 ft at 6:45PM Jan 26, 2020Highest Observation: 1.08 ft at 7:00PM Jan 26, 2020Highest Observation: 1.08 ft at 7:15PM Jan 26, 2020Highest Observation: 1.08 ft at 7:30PM Jan 26, 2020Highest Observation: 1.08 ft at 7:45PM Jan 26, 2020Highest Observation: 1.08 ft at 8:00PM Jan 26, 2020Highest Observation: 1.08 ft at 8:15PM Jan 26, 2020Observed: 1.07 ft at 8:30PM Jan 26, 2020Observed: 1.07 ft at 8:45PM Jan 26, 2020Observed: 1.07 ft at 9:00PM Jan 26, 2020Observed: 1.07 ft at 9:15PM Jan 26, 2020Observed: 1.07 ft at 9:30PM Jan 26, 2020Observed: 1.07 ft at 9:45PM Jan 26, 2020Observed: 1.07 ft at 10:00PM Jan 26, 2020Observed: 1.07 ft at 10:15PM Jan 26, 2020Observed: 1.07 ft at 10:30PM Jan 26, 2020Observed: 1.07 ft at 10:45PM Jan 26, 2020Observed: 1.07 ft at 11:00PM Jan 26, 2020Observed: 1.07 ft at 11:15PM Jan 26, 2020Observed: 1.07 ft at 11:30PM Jan 26, 2020Observed: 1.07 ft at 11:45PM Jan 26, 2020Observed: 1.07 ft at 12:00AM Jan 27, 2020Observed: 1.07 ft at 12:15AM Jan 27, 2020Observed: 1.07 ft at 12:30AM Jan 27, 2020Observed: 1.07 ft at 12:45AM Jan 27, 2020Observed: 1.07 ft at 1:00AM Jan 27, 2020Observed: 1.07 ft at 1:15AM Jan 27, 2020Observed: 1.07 ft at 1:30AM Jan 27, 2020Observed: 1.07 ft at 1:45AM Jan 27, 2020Observed: 1.07 ft at 2:00AM Jan 27, 2020Observed: 1.07 ft at 2:15AM Jan 27, 2020Observed: 1.07 ft at 2:30AM Jan 27, 2020Observed: 1.07 ft at 2:45AM Jan 27, 2020Observed: 1.07 ft at 3:00AM Jan 27, 2020Observed: 1.07 ft at 3:15AM Jan 27, 2020Observed: 1.07 ft at 3:30AM Jan 27, 2020Observed: 1.07 ft at 3:45AM Jan 27, 2020Observed: 1.07 ft at 4:00AM Jan 27, 2020Observed: 1.07 ft at 4:15AM Jan 27, 2020Observed: 1.07 ft at 4:30AM Jan 27, 2020Observed: 1.07 ft at 4:45AM Jan 27, 2020Observed: 1.07 ft at 5:00AM Jan 27, 2020Observed: 1.07 ft at 5:15AM Jan 27, 2020Observed: 1.07 ft at 5:30AM Jan 27, 2020Observed: 1.07 ft at 5:45AM Jan 27, 2020Observed: 1.07 ft at 6:00AM Jan 27, 2020Observed: 1.07 ft at 6:15AM Jan 27, 2020Observed: 1.07 ft at 6:30AM Jan 27, 2020Observed: 1.07 ft at 6:45AM Jan 27, 2020Observed: 1.07 ft at 7:00AM Jan 27, 2020Observed: 1.07 ft at 7:15AM Jan 27, 2020Observed: 1.07 ft at 7:30AM Jan 27, 2020Observed: 1.07 ft at 7:45AM Jan 27, 2020Observed: 1.07 ft at 8:00AM Jan 27, 2020Observed: 1.07 ft at 8:15AM Jan 27, 2020Observed: 1.07 ft at 8:30AM Jan 27, 2020Observed: 1.07 ft at 8:45AM Jan 27, 2020Observed: 1.07 ft at 9:00AM Jan 27, 2020Observed: 1.07 ft at 9:15AM Jan 27, 2020Observed: 1.07 ft at 9:30AM Jan 27, 2020Observed: 1.07 ft at 9:45AM Jan 27, 2020Observed: 1.07 ft at 10:00AM Jan 27, 2020Observed: 1.07 ft at 10:15AM Jan 27, 2020Observed: 1.07 ft at 10:30AM Jan 27, 2020Observed: 1.07 ft at 10:45AM Jan 27, 2020Observed: 1.07 ft at 10:46AM Jan 27, 2020Observed: 1.07 ft at 11:00AM Jan 27, 2020Observed: 1.07 ft at 11:15AM Jan 27, 2020Observed: 1.07 ft at 11:30AM Jan 27, 2020Observed: 1.07 ft at 11:45AM Jan 27, 2020Observed: 1.07 ft at 12:00PM Jan 27, 2020Observed: 1.07 ft at 12:15PM Jan 27, 2020Observed: 1.07 ft at 12:30PM Jan 27, 2020Observed: 1.07 ft at 12:45PM Jan 27, 2020Observed: 1.07 ft at 1:00PM Jan 27, 2020Observed: 1.07 ft at 1:15PM Jan 27, 2020Observed: 1.07 ft at 1:30PM Jan 27, 2020Observed: 1.07 ft at 1:45PM Jan 27, 2020Observed: 1.07 ft at 2:00PM Jan 27, 2020Observed: 1.07 ft at 2:15PM Jan 27, 2020Observed: 1.07 ft at 2:30PM Jan 27, 2020Observed: 1.07 ft at 2:45PM Jan 27, 2020Observed: 1.07 ft at 3:00PM Jan 27, 2020Observed: 1.07 ft at 3:15PM Jan 27, 2020Observed: 1.07 ft at 3:30PM Jan 27, 2020Observed: 1.07 ft at 3:45PM Jan 27, 2020Observed: 1.07 ft at 4:00PM Jan 27, 2020Observed: 1.07 ft at 4:15PM Jan 27, 2020Observed: 1.07 ft at 4:30PM Jan 27, 2020Observed: 1.07 ft at 4:45PM Jan 27, 2020Observed: 1.07 ft at 5:00PM Jan 27, 2020Observed: 1.07 ft at 5:15PM Jan 27, 2020Observed: 1.07 ft at 5:30PM Jan 27, 2020Observed: 1.06 ft at 5:45PM Jan 27, 2020Observed: 1.06 ft at 6:00PM Jan 27, 2020Observed: 1.07 ft at 6:15PM Jan 27, 2020Observed: 1.06 ft at 6:30PM Jan 27, 2020Observed: 1.06 ft at 6:45PM Jan 27, 2020Observed: 1.07 ft at 7:00PM Jan 27, 2020Observed: 1.07 ft at 7:15PM Jan 27, 2020Observed: 1.06 ft at 7:30PM Jan 27, 2020Observed: 1.06 ft at 7:45PM Jan 27, 2020Observed: 1.06 ft at 8:00PM Jan 27, 2020Observed: 1.07 ft at 8:15PM Jan 27, 2020Observed: 1.07 ft at 8:30PM Jan 27, 2020Observed: 1.07 ft at 8:45PM Jan 27, 2020Observed: 1.06 ft at 9:00PM Jan 27, 2020Observed: 1.06 ft at 9:15PM Jan 27, 2020Observed: 1.06 ft at 9:30PM Jan 27, 2020Observed: 1.07 ft at 9:45PM Jan 27, 2020Observed: 1.07 ft at 10:00PM Jan 27, 2020Observed: 1.06 ft at 10:15PM Jan 27, 2020Observed: 1.06 ft at 10:30PM Jan 27, 2020Observed: 1.07 ft at 10:45PM Jan 27, 2020Observed: 1.06 ft at 11:00PM Jan 27, 2020Observed: 1.07 ft at 11:15PM Jan 27, 2020Observed: 1.06 ft at 11:30PM Jan 27, 2020Observed: 1.06 ft at 11:45PM Jan 27, 2020Observed: 1.07 ft at 12:00AM Jan 28, 2020Observed: 1.07 ft at 12:15AM Jan 28, 2020Observed: 1.07 ft at 12:30AM Jan 28, 2020Observed: 1.06 ft at 12:45AM Jan 28, 2020Observed: 1.07 ft at 1:00AM Jan 28, 2020Observed: 1.06 ft at 1:15AM Jan 28, 2020Observed: 1.07 ft at 1:30AM Jan 28, 2020Observed: 1.07 ft at 1:45AM Jan 28, 2020Observed: 1.06 ft at 2:00AM Jan 28, 2020Observed: 1.07 ft at 2:15AM Jan 28, 2020Observed: 1.06 ft at 2:30AM Jan 28, 2020Observed: 1.07 ft at 2:45AM Jan 28, 2020Observed: 1.07 ft at 3:00AM Jan 28, 2020Observed: 1.07 ft at 3:15AM Jan 28, 2020Observed: 1.07 ft at 3:30AM Jan 28, 2020Observed: 1.06 ft at 3:45AM Jan 28, 2020Observed: 1.07 ft at 4:00AM Jan 28, 2020Observed: 1.06 ft at 4:15AM Jan 28, 2020Observed: 1.06 ft at 4:30AM Jan 28, 2020Observed: 1.07 ft at 4:45AM Jan 28, 2020Observed: 1.07 ft at 5:00AM Jan 28, 2020Observed: 1.07 ft at 5:15AM Jan 28, 2020Observed: 1.06 ft at 5:30AM Jan 28, 2020Observed: 1.07 ft at 5:45AM Jan 28, 2020Observed: 1.06 ft at 6:00AM Jan 28, 2020Observed: 1.07 ft at 6:15AM Jan 28, 2020Observed: 1.07 ft at 6:30AM Jan 28, 2020Observed: 1.07 ft at 6:45AM Jan 28, 2020Observed: 1.06 ft at 7:00AM Jan 28, 2020Observed: 1.07 ft at 7:15AM Jan 28, 2020Observed: 1.06 ft at 7:30AM Jan 28, 2020Observed: 1.06 ft at 7:45AM Jan 28, 2020Observed: 1.07 ft at 8:00AM Jan 28, 2020Observed: 1.06 ft at 8:15AM Jan 28, 2020Observed: 1.07 ft at 8:30AM Jan 28, 2020Observed: 1.07 ft at 8:45AM Jan 28, 2020Observed: 1.06 ft at 9:00AM Jan 28, 2020Observed: 1.07 ft at 9:15AM Jan 28, 2020Observed: 1.07 ft at 9:30AM Jan 28, 2020Observed: 1.07 ft at 9:45AM Jan 28, 2020Observed: 1.07 ft at 10:00AM Jan 28, 2020Observed: 1.07 ft at 10:15AM Jan 28, 2020Observed: 1.07 ft at 10:30AM Jan 28, 2020Observed: 1.07 ft at 10:45AM Jan 28, 2020Observed: 1.07 ft at 11:00AM Jan 28, 2020Observed: 1.07 ft at 11:15AM Jan 28, 2020Observed: 1.07 ft at 11:30AM Jan 28, 2020Observed: 1.07 ft at 11:45AM Jan 28, 2020Observed: 1.07 ft at 12:00PM Jan 28, 2020Observed: 1.06 ft at 12:15PM Jan 28, 2020Observed: 1.07 ft at 12:30PM Jan 28, 2020Observed: 1.06 ft at 12:45PM Jan 28, 2020Observed: 1.07 ft at 1:00PM Jan 28, 2020Observed: 1.07 ft at 1:15PM Jan 28, 2020Observed: 1.06 ft at 1:30PM Jan 28, 2020Observed: 1.05 ft at 1:45PM Jan 28, 2020Observed: 1.06 ft at 2:00PM Jan 28, 2020Observed: 1.06 ft at 2:15PM Jan 28, 2020Observed: 1.07 ft at 2:30PM Jan 28, 2020Observed: 1.07 ft at 2:45PM Jan 28, 2020Observed: 1.07 ft at 3:00PM Jan 28, 2020Observed: 1.07 ft at 3:15PM Jan 28, 2020Observed: 1.06 ft at 3:30PM Jan 28, 2020Observed: 1.06 ft at 3:45PM Jan 28, 2020Observed: 1.06 ft at 4:00PM Jan 28, 2020Observed: 1.05 ft at 4:15PM Jan 28, 2020Observed: 1.06 ft at 4:30PM Jan 28, 2020Observed: 1.06 ft at 4:45PM Jan 28, 2020Observed: 1.07 ft at 5:00PM Jan 28, 2020Observed: 1.07 ft at 5:15PM Jan 28, 2020Observed: 1.06 ft at 5:30PM Jan 28, 2020Observed: 1.06 ft at 5:45PM Jan 28, 2020Observed: 1.06 ft at 6:00PM Jan 28, 2020Observed: 1.06 ft at 6:15PM Jan 28, 2020Observed: 1.06 ft at 6:30PM Jan 28, 2020Observed: 1.07 ft at 6:45PM Jan 28, 2020Observed: 1.06 ft at 7:00PM Jan 28, 2020Observed: 1.06 ft at 7:15PM Jan 28, 2020Observed: 1.06 ft at 7:30PM Jan 28, 2020Observed: 1.06 ft at 7:45PM Jan 28, 2020Observed: 1.06 ft at 8:00PM Jan 28, 2020Observed: 1.06 ft at 8:15PM Jan 28, 2020Observed: 1.06 ft at 8:30PM Jan 28, 2020Observed: 1.06 ft at 8:45PM Jan 28, 2020Observed: 1.06 ft at 9:00PM Jan 28, 2020Observed: 1.06 ft at 9:15PM Jan 28, 2020Observed: 1.06 ft at 9:30PM Jan 28, 2020Observed: 1.06 ft at 9:45PM Jan 28, 2020Observed: 1.06 ft at 10:00PM Jan 28, 2020Observed: 1.06 ft at 10:15PM Jan 28, 2020Observed: 1.06 ft at 10:30PM Jan 28, 2020Observed: 1.06 ft at 10:45PM Jan 28, 2020Observed: 1.05 ft at 11:00PM Jan 28, 2020Observed: 1.05 ft at 11:15PM Jan 28, 2020Observed: 1.05 ft at 11:30PM Jan 28, 2020Observed: 1.05 ft at 11:45PM Jan 28, 2020Observed: 1.05 ft at 12:00AM Jan 29, 2020Observed: 1.05 ft at 12:15AM Jan 29, 2020Observed: 1.05 ft at 12:30AM Jan 29, 2020Observed: 1.05 ft at 12:45AM Jan 29, 2020Observed: 1.05 ft at 1:00AM Jan 29, 2020Observed: 1.05 ft at 1:15AM Jan 29, 2020Observed: 1.05 ft at 1:30AM Jan 29, 2020Observed: 1.05 ft at 1:45AM Jan 29, 2020Observed: 1.05 ft at 2:00AM Jan 29, 2020Observed: 1.05 ft at 2:15AM Jan 29, 2020Observed: 1.05 ft at 2:30AM Jan 29, 2020Observed: 1.05 ft at 2:45AM Jan 29, 2020Observed: 1.05 ft at 3:00AM Jan 29, 2020Observed: 1.05 ft at 3:15AM Jan 29, 2020Observed: 1.05 ft at 3:30AM Jan 29, 2020Observed: 1.05 ft at 3:45AM Jan 29, 2020Observed: 1.05 ft at 4:00AM Jan 29, 2020Observed: 1.05 ft at 4:15AM Jan 29, 2020Observed: 1.05 ft at 4:30AM Jan 29, 2020Observed: 1.05 ft at 4:45AM Jan 29, 2020Observed: 1.05 ft at 5:00AM Jan 29, 2020Observed: 1.05 ft at 5:15AM Jan 29, 2020Observed: 1.05 ft at 5:30AM Jan 29, 2020Observed: 1.05 ft at 5:45AM Jan 29, 2020Observed: 1.05 ft at 6:00AM Jan 29, 2020Observed: 1.05 ft at 6:15AM Jan 29, 2020Observed: 1.05 ft at 6:30AM Jan 29, 2020Observed: 1.05 ft at 6:45AM Jan 29, 2020Observed: 1.05 ft at 7:00AM Jan 29, 2020Observed: 1.05 ft at 7:15AM Jan 29, 2020Observed: 1.05 ft at 7:30AM Jan 29, 2020Observed: 1.05 ft at 7:45AM Jan 29, 2020Observed: 1.05 ft at 8:00AM Jan 29, 2020Observed: 1.05 ft at 8:15AM Jan 29, 2020Observed: 1.05 ft at 8:30AM Jan 29, 2020Observed: 1.05 ft at 8:45AM Jan 29, 2020Observed: 1.05 ft at 9:00AM Jan 29, 2020Observed: 1.05 ft at 9:15AM Jan 29, 2020Observed: 1.05 ft at 9:30AM Jan 29, 2020USGS--Water Resources of the United StatesDBYT2(plotting HGIRG) Graph Created (10:48AM Jan 29, 2020)ObservedLatest observed value: 1.05 ft at 9:30 AM CST 29-Jan-2020. Flood Stage is 6 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Frio River near Derby are issued as needed during times of high water, but are not routinely available.

Return to Area Map
Upstream Gauge - below Dry Frio near Uvalde Upstream Gauge Downstream Gauge Downstream Gauge - at Tilden
Flood Categories (in feet)
Major Flood Stage: 17
Moderate Flood Stage: 7
Flood Stage: 6
Action Stage: 6
Low Stage (in feet): -9999

Historic Crests
(1) 29.45 ft on 07/04/1932
(2) 23.70 ft on 06/02/1935
(3) 22.02 ft on 07/21/2007
(4) 21.77 ft on 06/24/1997
(5) 19.87 ft on 07/07/2002
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 9.40 ft on 10/18/2018
(2) 9.09 ft on 10/12/2018
(3) 9.02 ft on 09/24/2018
(4) 9.95 ft on 09/18/2018 (P)
(5) 8.81 ft on 09/11/2018 (P)
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(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:16
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Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
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17 Major flooding reaches lowest homes and businesses downstream in Tilden. Hundreds of livestock are trapped and potentially drowned in low areas of the flood plain near Derby to Choke Canyon Reservoir. Major flooding of crop and pasture land near the river inundates oil well pump jacks and irrigation pumps.
14 Significant crop and pastureland flooding below Uvalde to Choke Canyon Reservoir floods oil well pump jacks, irrigation pumps and any equipment in the flood plain. Numerous secondary roads and low bridges are flooded. Livestock are cut off and potentially drowned in low areas of the flood plain.
10 Lowland flooding below Concan to Choke Canyon Reservoir floods oil well pump jacks, irrigation pumps and any equipment in the lower flood plain near and above Derby.
7 Moderate lowland flooding closes Farm to Market 1581 near Derby.
6 Minor lowland flooding reaches the Farm to Market 1581 bridge floor.
About This Location Collapse

Latitude: 28.736389° N, Longitude: 99.144444° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 6 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 449.11 ft 455.11 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Austin/San Antonio Weather Forecast Office
2090 Airport Rd.
New Braunfels, TX 78130
(830) 629-0130
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Page last modified: 1-Mar-2019 12:34 AM
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