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Hydrograph River at a Glance Download
Frio River at Tilden Stage (ft)Flow (cfs)Highest Observation: 2.29 ft at 11:15AM Jul 28, 2021Highest Observation: 2.29 ft at 11:30AM Jul 28, 2021Highest Observation: 2.29 ft at 11:45AM Jul 28, 2021Observed: 2.28 ft at 12:00PM Jul 28, 2021Highest Observation: 2.29 ft at 12:15PM Jul 28, 2021Observed: 2.28 ft at 12:30PM Jul 28, 2021Highest Observation: 2.29 ft at 12:45PM Jul 28, 2021Observed: 2.28 ft at 1:00PM Jul 28, 2021Observed: 2.28 ft at 1:15PM Jul 28, 2021Observed: 2.28 ft at 1:30PM Jul 28, 2021Observed: 2.28 ft at 1:45PM Jul 28, 2021Observed: 2.28 ft at 2:00PM Jul 28, 2021Observed: 2.27 ft at 2:15PM Jul 28, 2021Observed: 2.27 ft at 2:30PM Jul 28, 2021Observed: 2.27 ft at 2:45PM Jul 28, 2021Observed: 2.26 ft at 3:00PM Jul 28, 2021Observed: 2.26 ft at 3:15PM Jul 28, 2021Observed: 2.26 ft at 3:30PM Jul 28, 2021Observed: 2.26 ft at 3:45PM Jul 28, 2021Observed: 2.26 ft at 4:00PM Jul 28, 2021Observed: 2.25 ft at 4:15PM Jul 28, 2021Observed: 2.27 ft at 4:30PM Jul 28, 2021Observed: 2.28 ft at 4:45PM Jul 28, 2021Observed: 2.26 ft at 5:00PM Jul 28, 2021Observed: 2.26 ft at 5:15PM Jul 28, 2021Observed: 2.27 ft at 5:30PM Jul 28, 2021Observed: 2.26 ft at 5:45PM Jul 28, 2021Observed: 2.26 ft at 6:00PM Jul 28, 2021Observed: 2.25 ft at 6:15PM Jul 28, 2021Observed: 2.25 ft at 6:30PM Jul 28, 2021Observed: 2.25 ft at 6:45PM Jul 28, 2021Observed: 2.25 ft at 7:00PM Jul 28, 2021Observed: 2.25 ft at 7:15PM Jul 28, 2021Observed: 2.25 ft at 7:30PM Jul 28, 2021Observed: 2.24 ft at 7:45PM Jul 28, 2021Observed: 2.24 ft at 8:00PM Jul 28, 2021Observed: 2.24 ft at 8:15PM Jul 28, 2021Observed: 2.24 ft at 8:30PM Jul 28, 2021Observed: 2.24 ft at 8:45PM Jul 28, 2021Observed: 2.24 ft at 9:00PM Jul 28, 2021Observed: 2.24 ft at 9:15PM Jul 28, 2021Observed: 2.23 ft at 9:30PM Jul 28, 2021Observed: 2.23 ft at 9:45PM Jul 28, 2021Observed: 2.23 ft at 10:00PM Jul 28, 2021Observed: 2.23 ft at 10:15PM Jul 28, 2021Observed: 2.23 ft at 10:30PM Jul 28, 2021Observed: 2.23 ft at 10:45PM Jul 28, 2021Observed: 2.23 ft at 11:00PM Jul 28, 2021Observed: 2.23 ft at 11:15PM Jul 28, 2021Observed: 2.23 ft at 11:30PM Jul 28, 2021Observed: 2.23 ft at 11:45PM Jul 28, 2021Observed: 2.22 ft at 12:00AM Jul 29, 2021Observed: 2.23 ft at 12:15AM Jul 29, 2021Observed: 2.22 ft at 12:30AM Jul 29, 2021Observed: 2.22 ft at 12:45AM Jul 29, 2021Observed: 2.23 ft at 1:00AM Jul 29, 2021Observed: 2.22 ft at 1:15AM Jul 29, 2021Observed: 2.22 ft at 1:30AM Jul 29, 2021Observed: 2.24 ft at 1:45AM Jul 29, 2021Observed: 2.24 ft at 2:00AM Jul 29, 2021Observed: 2.21 ft at 2:15AM Jul 29, 2021Observed: 2.21 ft at 2:30AM Jul 29, 2021Observed: 2.21 ft at 2:45AM Jul 29, 2021Observed: 2.21 ft at 3:00AM Jul 29, 2021Observed: 2.22 ft at 3:15AM Jul 29, 2021Observed: 2.21 ft at 3:30AM Jul 29, 2021Observed: 2.22 ft at 3:45AM Jul 29, 2021Observed: 2.21 ft at 4:00AM Jul 29, 2021Observed: 2.21 ft at 4:15AM Jul 29, 2021Observed: 2.21 ft at 4:30AM Jul 29, 2021Observed: 2.21 ft at 4:45AM Jul 29, 2021Observed: 2.21 ft at 5:00AM Jul 29, 2021Observed: 2.21 ft at 5:15AM Jul 29, 2021Observed: 2.2 ft at 5:30AM Jul 29, 2021Observed: 2.21 ft at 5:45AM Jul 29, 2021Observed: 2.21 ft at 6:00AM Jul 29, 2021Observed: 2.21 ft at 6:15AM Jul 29, 2021Observed: 2.21 ft at 6:30AM Jul 29, 2021Observed: 2.21 ft at 6:45AM Jul 29, 2021Observed: 2.2 ft at 7:00AM Jul 29, 2021Observed: 2.2 ft at 7:15AM Jul 29, 2021Observed: 2.2 ft at 7:30AM Jul 29, 2021Observed: 2.2 ft at 7:45AM Jul 29, 2021Observed: 2.2 ft at 8:00AM Jul 29, 2021Observed: 2.2 ft at 8:15AM Jul 29, 2021Observed: 2.2 ft at 8:30AM Jul 29, 2021Observed: 2.2 ft at 8:45AM Jul 29, 2021Observed: 2.2 ft at 9:00AM Jul 29, 2021Observed: 2.19 ft at 9:15AM Jul 29, 2021Observed: 2.19 ft at 9:30AM Jul 29, 2021Observed: 2.19 ft at 9:45AM Jul 29, 2021Observed: 2.19 ft at 10:00AM Jul 29, 2021Observed: 2.19 ft at 10:15AM Jul 29, 2021Observed: 2.19 ft at 10:30AM Jul 29, 2021Observed: 2.19 ft at 10:45AM Jul 29, 2021Observed: 2.19 ft at 11:00AM Jul 29, 2021Observed: 2.19 ft at 11:15AM Jul 29, 2021Observed: 2.19 ft at 11:30AM Jul 29, 2021Observed: 2.19 ft at 11:45AM Jul 29, 2021Observed: 2.18 ft at 12:00PM Jul 29, 2021Observed: 2.18 ft at 12:15PM Jul 29, 2021Observed: 2.18 ft at 12:30PM Jul 29, 2021Observed: 2.18 ft at 12:45PM Jul 29, 2021Observed: 2.18 ft at 1:00PM Jul 29, 2021Observed: 2.18 ft at 1:15PM Jul 29, 2021Observed: 2.18 ft at 1:30PM Jul 29, 2021Observed: 2.18 ft at 1:45PM Jul 29, 2021Observed: 2.18 ft at 2:00PM Jul 29, 2021Observed: 2.17 ft at 2:15PM Jul 29, 2021Observed: 2.17 ft at 2:30PM Jul 29, 2021Observed: 2.17 ft at 2:45PM Jul 29, 2021Observed: 2.17 ft at 3:00PM Jul 29, 2021Observed: 2.17 ft at 3:15PM Jul 29, 2021Observed: 2.17 ft at 3:30PM Jul 29, 2021Observed: 2.17 ft at 3:45PM Jul 29, 2021Observed: 2.16 ft at 4:00PM Jul 29, 2021Observed: 2.16 ft at 4:15PM Jul 29, 2021Observed: 2.16 ft at 4:30PM Jul 29, 2021Observed: 2.16 ft at 4:45PM Jul 29, 2021Observed: 2.16 ft at 5:00PM Jul 29, 2021Observed: 2.15 ft at 5:15PM Jul 29, 2021Observed: 2.15 ft at 5:30PM Jul 29, 2021Observed: 2.15 ft at 5:45PM Jul 29, 2021Observed: 2.15 ft at 6:00PM Jul 29, 2021Observed: 2.15 ft at 6:15PM Jul 29, 2021Observed: 2.15 ft at 6:30PM Jul 29, 2021Observed: 2.15 ft at 6:45PM Jul 29, 2021Observed: 2.14 ft at 7:00PM Jul 29, 2021Observed: 2.14 ft at 7:15PM Jul 29, 2021Observed: 2.14 ft at 7:30PM Jul 29, 2021Observed: 2.14 ft at 7:45PM Jul 29, 2021Observed: 2.14 ft at 8:00PM Jul 29, 2021Observed: 2.14 ft at 8:15PM Jul 29, 2021Observed: 2.14 ft at 8:30PM Jul 29, 2021Observed: 2.14 ft at 8:45PM Jul 29, 2021Observed: 2.14 ft at 9:00PM Jul 29, 2021Observed: 2.13 ft at 9:15PM Jul 29, 2021Observed: 2.13 ft at 9:30PM Jul 29, 2021Observed: 2.13 ft at 9:45PM Jul 29, 2021Observed: 2.13 ft at 10:00PM Jul 29, 2021Observed: 2.13 ft at 10:15PM Jul 29, 2021Observed: 2.13 ft at 10:30PM Jul 29, 2021Observed: 2.13 ft at 10:45PM Jul 29, 2021Observed: 2.12 ft at 11:00PM Jul 29, 2021Observed: 2.13 ft at 11:15PM Jul 29, 2021Observed: 2.13 ft at 11:30PM Jul 29, 2021Observed: 2.13 ft at 11:45PM Jul 29, 2021Observed: 2.13 ft at 12:00AM Jul 30, 2021Observed: 2.12 ft at 12:15AM Jul 30, 2021Observed: 2.12 ft at 12:30AM Jul 30, 2021Observed: 2.11 ft at 12:45AM Jul 30, 2021Observed: 2.11 ft at 1:00AM Jul 30, 2021Observed: 2.11 ft at 1:15AM Jul 30, 2021Observed: 2.11 ft at 1:30AM Jul 30, 2021Observed: 2.11 ft at 1:45AM Jul 30, 2021Observed: 2.11 ft at 2:00AM Jul 30, 2021Observed: 2.1 ft at 2:15AM Jul 30, 2021Observed: 2.1 ft at 2:30AM Jul 30, 2021Observed: 2.1 ft at 2:45AM Jul 30, 2021Observed: 2.1 ft at 3:00AM Jul 30, 2021Observed: 2.1 ft at 3:15AM Jul 30, 2021Observed: 2.1 ft at 3:30AM Jul 30, 2021Observed: 2.1 ft at 3:45AM Jul 30, 2021Observed: 2.1 ft at 4:00AM Jul 30, 2021Observed: 2.09 ft at 4:15AM Jul 30, 2021Observed: 2.09 ft at 4:30AM Jul 30, 2021Observed: 2.09 ft at 4:45AM Jul 30, 2021Observed: 2.09 ft at 5:00AM Jul 30, 2021Observed: 2.09 ft at 5:15AM Jul 30, 2021Observed: 2.09 ft at 5:30AM Jul 30, 2021Observed: 2.09 ft at 5:45AM Jul 30, 2021Observed: 2.09 ft at 6:00AM Jul 30, 2021Observed: 2.08 ft at 6:15AM Jul 30, 2021Observed: 2.09 ft at 6:30AM Jul 30, 2021Observed: 2.08 ft at 6:45AM Jul 30, 2021Observed: 2.08 ft at 7:00AM Jul 30, 2021Observed: 2.08 ft at 7:15AM Jul 30, 2021Observed: 2.08 ft at 7:30AM Jul 30, 2021Observed: 2.08 ft at 7:45AM Jul 30, 2021Observed: 2.08 ft at 8:00AM Jul 30, 2021Observed: 2.08 ft at 8:15AM Jul 30, 2021Observed: 2.08 ft at 8:30AM Jul 30, 2021Observed: 2.08 ft at 8:45AM Jul 30, 2021Observed: 2.08 ft at 9:00AM Jul 30, 2021Observed: 2.08 ft at 9:15AM Jul 30, 2021Observed: 2.08 ft at 9:30AM Jul 30, 2021Observed: 2.08 ft at 9:45AM Jul 30, 2021Observed: 2.07 ft at 10:00AM Jul 30, 2021Observed: 2.07 ft at 10:15AM Jul 30, 2021Observed: 2.08 ft at 10:30AM Jul 30, 2021Observed: 2.08 ft at 10:45AM Jul 30, 2021Observed: 2.08 ft at 11:00AM Jul 30, 2021Observed: 2.07 ft at 11:15AM Jul 30, 2021Observed: 2.07 ft at 11:30AM Jul 30, 2021Observed: 2.07 ft at 11:45AM Jul 30, 2021Observed: 2.07 ft at 12:00PM Jul 30, 2021Observed: 2.06 ft at 12:15PM Jul 30, 2021Observed: 2.06 ft at 12:30PM Jul 30, 2021Observed: 2.06 ft at 12:45PM Jul 30, 2021Observed: 2.06 ft at 1:00PM Jul 30, 2021Observed: 2.06 ft at 1:15PM Jul 30, 2021Observed: 2.06 ft at 1:30PM Jul 30, 2021Observed: 2.06 ft at 1:45PM Jul 30, 2021Observed: 2.06 ft at 2:00PM Jul 30, 2021Observed: 2.06 ft at 2:15PM Jul 30, 2021Observed: 2.06 ft at 2:30PM Jul 30, 2021Observed: 2.06 ft at 2:45PM Jul 30, 2021Observed: 2.06 ft at 3:00PM Jul 30, 2021Observed: 2.05 ft at 3:15PM Jul 30, 2021Observed: 2.05 ft at 3:30PM Jul 30, 2021Observed: 2.05 ft at 3:45PM Jul 30, 2021Observed: 2.05 ft at 4:00PM Jul 30, 2021Observed: 2.05 ft at 4:15PM Jul 30, 2021Observed: 2.05 ft at 4:30PM Jul 30, 2021Observed: 2.05 ft at 4:45PM Jul 30, 2021Observed: 2.05 ft at 5:00PM Jul 30, 2021Observed: 2.05 ft at 5:15PM Jul 30, 2021Observed: 2.05 ft at 5:30PM Jul 30, 2021Observed: 2.04 ft at 5:45PM Jul 30, 2021Observed: 2.04 ft at 6:00PM Jul 30, 2021Observed: 2.04 ft at 6:15PM Jul 30, 2021Observed: 2.04 ft at 6:30PM Jul 30, 2021Observed: 2.04 ft at 6:45PM Jul 30, 2021Observed: 2.04 ft at 7:00PM Jul 30, 2021Observed: 2.03 ft at 7:15PM Jul 30, 2021Observed: 2.03 ft at 7:30PM Jul 30, 2021Observed: 2.03 ft at 7:45PM Jul 30, 2021Observed: 2.03 ft at 8:00PM Jul 30, 2021Observed: 2.03 ft at 8:15PM Jul 30, 2021Observed: 2.03 ft at 8:30PM Jul 30, 2021Observed: 2.03 ft at 8:45PM Jul 30, 2021Observed: 2.03 ft at 9:00PM Jul 30, 2021Observed: 2.03 ft at 9:15PM Jul 30, 2021Observed: 2.03 ft at 9:30PM Jul 30, 2021Observed: 2.02 ft at 9:45PM Jul 30, 2021Observed: 2.02 ft at 10:00PM Jul 30, 2021Observed: 2.02 ft at 10:15PM Jul 30, 2021Observed: 2.02 ft at 10:30PM Jul 30, 2021Observed: 2.02 ft at 10:45PM Jul 30, 2021Observed: 2.02 ft at 11:00PM Jul 30, 2021Observed: 2.02 ft at 11:15PM Jul 30, 2021Observed: 2.02 ft at 11:30PM Jul 30, 2021Observed: 2.02 ft at 11:45PM Jul 30, 2021Observed: 2.02 ft at 12:00AM Jul 31, 2021Observed: 2.02 ft at 12:15AM Jul 31, 2021Observed: 2.01 ft at 12:30AM Jul 31, 2021Observed: 2.02 ft at 12:45AM Jul 31, 2021Observed: 2.02 ft at 1:00AM Jul 31, 2021Observed: 2.02 ft at 1:15AM Jul 31, 2021Observed: 2.01 ft at 1:30AM Jul 31, 2021Observed: 2.01 ft at 1:45AM Jul 31, 2021Observed: 2.01 ft at 2:00AM Jul 31, 2021Observed: 2.01 ft at 2:15AM Jul 31, 2021Observed: 2.01 ft at 2:30AM Jul 31, 2021Observed: 2 ft at 2:45AM Jul 31, 2021Observed: 2.01 ft at 3:00AM Jul 31, 2021Observed: 2 ft at 3:15AM Jul 31, 2021Observed: 2 ft at 3:30AM Jul 31, 2021Observed: 2 ft at 3:45AM Jul 31, 2021Observed: 2 ft at 4:00AM Jul 31, 2021Observed: 2 ft at 4:15AM Jul 31, 2021Observed: 2 ft at 4:30AM Jul 31, 2021Observed: 2 ft at 4:45AM Jul 31, 2021Observed: 2 ft at 5:00AM Jul 31, 2021Observed: 2 ft at 5:15AM Jul 31, 2021Observed: 2 ft at 5:30AM Jul 31, 2021Observed: 1.99 ft at 5:45AM Jul 31, 2021Observed: 1.99 ft at 6:00AM Jul 31, 2021Observed: 1.99 ft at 6:15AM Jul 31, 2021Observed: 1.99 ft at 6:30AM Jul 31, 2021Observed: 1.99 ft at 6:45AM Jul 31, 2021Observed: 2 ft at 7:00AM Jul 31, 2021Observed: 1.99 ft at 7:15AM Jul 31, 2021Observed: 2 ft at 7:30AM Jul 31, 2021Observed: 2 ft at 7:45AM Jul 31, 2021Observed: 1.99 ft at 8:00AM Jul 31, 2021Observed: 1.99 ft at 8:15AM Jul 31, 2021Observed: 2 ft at 8:30AM Jul 31, 2021Observed: 1.99 ft at 8:45AM Jul 31, 2021Observed: 1.97 ft at 9:00AM Jul 31, 2021Observed: 2 ft at 9:15AM Jul 31, 2021Observed: 2 ft at 9:30AM Jul 31, 2021Observed: 1.99 ft at 9:45AM Jul 31, 2021Observed: 2.01 ft at 10:00AM Jul 31, 2021Observed: 2.01 ft at 10:15AM Jul 31, 2021Observed: 2.02 ft at 10:30AM Jul 31, 2021Observed: 1.98 ft at 10:45AM Jul 31, 2021Observed: 1.97 ft at 11:00AM Jul 31, 2021Observed: 1.97 ft at 11:15AM Jul 31, 2021Observed: 2 ft at 11:30AM Jul 31, 2021Observed: 2 ft at 11:45AM Jul 31, 2021Observed: 1.99 ft at 12:00PM Jul 31, 2021Observed: 2.01 ft at 12:15PM Jul 31, 2021Observed: 1.96 ft at 12:30PM Jul 31, 2021Observed: 1.96 ft at 12:45PM Jul 31, 2021Observed: 1.99 ft at 1:00PM Jul 31, 2021Observed: 1.99 ft at 1:15PM Jul 31, 2021Observed: 1.97 ft at 1:30PM Jul 31, 2021Observed: 1.97 ft at 1:45PM Jul 31, 2021Observed: 1.97 ft at 2:00PM Jul 31, 2021Observed: 1.97 ft at 2:15PM Jul 31, 2021Observed: 1.98 ft at 2:30PM Jul 31, 2021Observed: 1.97 ft at 2:45PM Jul 31, 2021Observed: 1.97 ft at 3:00PM Jul 31, 2021Observed: 1.96 ft at 3:15PM Jul 31, 2021Observed: 1.97 ft at 3:30PM Jul 31, 2021Observed: 1.97 ft at 3:45PM Jul 31, 2021Observed: 1.96 ft at 4:00PM Jul 31, 2021Observed: 1.96 ft at 4:15PM Jul 31, 2021Observed: 1.96 ft at 4:30PM Jul 31, 2021Observed: 1.96 ft at 4:45PM Jul 31, 2021Observed: 1.96 ft at 5:00PM Jul 31, 2021Observed: 1.96 ft at 5:15PM Jul 31, 2021Observed: 1.96 ft at 5:30PM Jul 31, 2021Observed: 1.96 ft at 5:45PM Jul 31, 2021Observed: 1.96 ft at 6:00PM Jul 31, 2021Observed: 1.96 ft at 6:15PM Jul 31, 2021Observed: 1.95 ft at 6:30PM Jul 31, 2021Observed: 1.96 ft at 6:45PM Jul 31, 2021Observed: 1.95 ft at 7:00PM Jul 31, 2021Observed: 1.95 ft at 7:15PM Jul 31, 2021Observed: 1.95 ft at 7:30PM Jul 31, 2021Observed: 1.95 ft at 7:45PM Jul 31, 2021Observed: 1.95 ft at 8:00PM Jul 31, 2021Observed: 1.95 ft at 8:15PM Jul 31, 2021Observed: 1.95 ft at 8:30PM Jul 31, 2021Observed: 1.95 ft at 8:45PM Jul 31, 2021Observed: 1.95 ft at 9:00PM Jul 31, 2021Observed: 1.95 ft at 9:15PM Jul 31, 2021Observed: 1.94 ft at 9:30PM Jul 31, 2021Observed: 1.94 ft at 9:45PM Jul 31, 2021Observed: 1.94 ft at 10:00PM Jul 31, 2021Observed: 1.94 ft at 10:15PM Jul 31, 2021Observed: 1.94 ft at 10:30PM Jul 31, 2021Observed: 1.94 ft at 10:45PM Jul 31, 2021Observed: 1.95 ft at 11:00PM Jul 31, 2021Observed: 1.94 ft at 11:15PM Jul 31, 2021Observed: 1.95 ft at 11:30PM Jul 31, 2021Observed: 1.94 ft at 11:45PM Jul 31, 2021Observed: 1.94 ft at 12:00AM Aug 01, 2021Observed: 1.94 ft at 12:15AM Aug 01, 2021Observed: 1.94 ft at 12:30AM Aug 01, 2021Observed: 1.94 ft at 12:45AM Aug 01, 2021Observed: 1.94 ft at 1:00AM Aug 01, 2021Observed: 1.94 ft at 1:15AM Aug 01, 2021Observed: 1.94 ft at 1:30AM Aug 01, 2021Observed: 1.93 ft at 1:45AM Aug 01, 2021Observed: 1.93 ft at 2:00AM Aug 01, 2021Observed: 1.93 ft at 2:15AM Aug 01, 2021Observed: 1.93 ft at 2:30AM Aug 01, 2021Observed: 1.93 ft at 2:45AM Aug 01, 2021Observed: 1.93 ft at 3:00AM Aug 01, 2021Observed: 1.93 ft at 3:15AM Aug 01, 2021Observed: 1.93 ft at 3:30AM Aug 01, 2021Observed: 1.94 ft at 3:45AM Aug 01, 2021Observed: 1.93 ft at 4:00AM Aug 01, 2021Observed: 1.94 ft at 4:15AM Aug 01, 2021Observed: 1.92 ft at 4:30AM Aug 01, 2021Observed: 1.91 ft at 4:45AM Aug 01, 2021Observed: 1.91 ft at 5:00AM Aug 01, 2021Observed: 1.91 ft at 5:15AM Aug 01, 2021Observed: 1.91 ft at 5:30AM Aug 01, 2021Observed: 1.91 ft at 5:45AM Aug 01, 2021Observed: 1.91 ft at 6:00AM Aug 01, 2021Observed: 1.91 ft at 6:15AM Aug 01, 2021Observed: 1.91 ft at 6:30AM Aug 01, 2021Observed: 1.91 ft at 6:45AM Aug 01, 2021Observed: 1.91 ft at 7:00AM Aug 01, 2021Observed: 1.91 ft at 7:15AM Aug 01, 2021Observed: 1.91 ft at 7:30AM Aug 01, 2021Observed: 1.9 ft at 7:45AM Aug 01, 2021Observed: 1.91 ft at 8:00AM Aug 01, 2021Observed: 1.9 ft at 8:15AM Aug 01, 2021Observed: 1.9 ft at 8:30AM Aug 01, 2021Observed: 1.9 ft at 8:45AM Aug 01, 2021Observed: 1.91 ft at 9:00AM Aug 01, 2021Observed: 1.91 ft at 9:15AM Aug 01, 2021Observed: 1.9 ft at 9:30AM Aug 01, 2021Observed: 1.9 ft at 9:45AM Aug 01, 2021Observed: 1.9 ft at 10:00AM Aug 01, 2021Observed: 1.9 ft at 10:15AM Aug 01, 2021Observed: 1.9 ft at 10:30AM Aug 01, 2021Observed: 1.9 ft at 10:45AM Aug 01, 2021Observed: 1.9 ft at 11:00AM Aug 01, 2021Observed: 1.9 ft at 11:15AM Aug 01, 2021Observed: 1.9 ft at 11:30AM Aug 01, 2021Observed: 1.9 ft at 11:45AM Aug 01, 2021Observed: 1.9 ft at 12:00PM Aug 01, 2021Observed: 1.9 ft at 12:15PM Aug 01, 2021Observed: 1.9 ft at 12:30PM Aug 01, 2021Observed: 1.9 ft at 12:45PM Aug 01, 2021Observed: 1.9 ft at 1:00PM Aug 01, 2021Observed: 1.9 ft at 1:15PM Aug 01, 2021Observed: 1.9 ft at 1:30PM Aug 01, 2021Observed: 1.91 ft at 1:45PM Aug 01, 2021Observed: 1.9 ft at 2:00PM Aug 01, 2021Observed: 1.9 ft at 2:15PM Aug 01, 2021Observed: 1.9 ft at 2:30PM Aug 01, 2021Observed: 1.9 ft at 2:45PM Aug 01, 2021Observed: 1.89 ft at 3:00PM Aug 01, 2021Observed: 1.9 ft at 3:15PM Aug 01, 2021Observed: 1.9 ft at 3:30PM Aug 01, 2021Observed: 1.9 ft at 3:45PM Aug 01, 2021Observed: 1.9 ft at 4:00PM Aug 01, 2021Observed: 1.9 ft at 4:15PM Aug 01, 2021Observed: 1.9 ft at 4:30PM Aug 01, 2021Observed: 1.89 ft at 4:45PM Aug 01, 2021Observed: 1.89 ft at 5:00PM Aug 01, 2021Observed: 1.89 ft at 5:15PM Aug 01, 2021Observed: 1.89 ft at 5:30PM Aug 01, 2021Observed: 1.89 ft at 5:45PM Aug 01, 2021Observed: 1.89 ft at 6:00PM Aug 01, 2021Observed: 1.89 ft at 6:15PM Aug 01, 2021Observed: 1.89 ft at 6:30PM Aug 01, 2021Observed: 1.89 ft at 6:45PM Aug 01, 2021Observed: 1.89 ft at 7:00PM Aug 01, 2021Observed: 1.88 ft at 7:15PM Aug 01, 2021Observed: 1.88 ft at 7:30PM Aug 01, 2021Observed: 1.88 ft at 7:45PM Aug 01, 2021Observed: 1.89 ft at 8:00PM Aug 01, 2021Observed: 1.89 ft at 8:15PM Aug 01, 2021Observed: 1.88 ft at 8:30PM Aug 01, 2021Observed: 1.88 ft at 8:45PM Aug 01, 2021Observed: 1.89 ft at 9:00PM Aug 01, 2021Observed: 1.88 ft at 9:15PM Aug 01, 2021Observed: 1.88 ft at 9:30PM Aug 01, 2021Observed: 1.87 ft at 9:45PM Aug 01, 2021Observed: 1.86 ft at 10:00PM Aug 01, 2021Observed: 1.87 ft at 10:15PM Aug 01, 2021Observed: 1.87 ft at 10:30PM Aug 01, 2021Observed: 1.87 ft at 10:45PM Aug 01, 2021Observed: 1.87 ft at 11:00PM Aug 01, 2021Observed: 1.87 ft at 11:15PM Aug 01, 2021Observed: 1.86 ft at 11:30PM Aug 01, 2021Observed: 1.86 ft at 11:45PM Aug 01, 2021Observed: 1.86 ft at 12:00AM Aug 02, 2021Observed: 1.87 ft at 12:15AM Aug 02, 2021Observed: 1.86 ft at 12:30AM Aug 02, 2021Observed: 1.86 ft at 12:45AM Aug 02, 2021Observed: 1.86 ft at 1:00AM Aug 02, 2021Observed: 1.86 ft at 1:15AM Aug 02, 2021Observed: 1.86 ft at 1:30AM Aug 02, 2021Observed: 1.86 ft at 1:45AM Aug 02, 2021Observed: 1.86 ft at 2:00AM Aug 02, 2021Observed: 1.86 ft at 2:15AM Aug 02, 2021Observed: 1.86 ft at 2:30AM Aug 02, 2021Observed: 1.86 ft at 2:45AM Aug 02, 2021Observed: 1.86 ft at 3:00AM Aug 02, 2021Observed: 1.86 ft at 3:15AM Aug 02, 2021Observed: 1.86 ft at 3:30AM Aug 02, 2021Observed: 1.86 ft at 3:45AM Aug 02, 2021Observed: 1.86 ft at 4:00AM Aug 02, 2021Observed: 1.86 ft at 4:15AM Aug 02, 2021Observed: 1.86 ft at 4:30AM Aug 02, 2021Observed: 1.86 ft at 4:45AM Aug 02, 2021Observed: 1.86 ft at 5:00AM Aug 02, 2021Observed: 1.86 ft at 5:15AM Aug 02, 2021Observed: 1.86 ft at 5:30AM Aug 02, 2021Observed: 1.86 ft at 5:45AM Aug 02, 2021Observed: 1.86 ft at 6:00AM Aug 02, 2021Observed: 1.86 ft at 6:15AM Aug 02, 2021Observed: 1.87 ft at 6:30AM Aug 02, 2021Observed: 1.86 ft at 6:45AM Aug 02, 2021Observed: 1.86 ft at 7:00AM Aug 02, 2021Observed: 1.86 ft at 7:15AM Aug 02, 2021Observed: 1.86 ft at 7:30AM Aug 02, 2021Observed: 1.86 ft at 7:45AM Aug 02, 2021Observed: 1.86 ft at 8:00AM Aug 02, 2021Observed: 1.86 ft at 8:15AM Aug 02, 2021Observed: 1.86 ft at 8:30AM Aug 02, 2021Observed: 1.86 ft at 8:45AM Aug 02, 2021Observed: 1.86 ft at 9:00AM Aug 02, 2021Observed: 1.86 ft at 9:15AM Aug 02, 2021Observed: 1.85 ft at 9:30AM Aug 02, 2021Observed: 1.85 ft at 9:45AM Aug 02, 2021Observed: 1.85 ft at 10:00AM Aug 02, 2021Observed: 1.85 ft at 10:15AM Aug 02, 2021USGS--Water Resources of the United StatesTIDT2(plotting HGIRG) Graph Created (11:02AM Aug 2, 2021)ObservedLatest observed value: 1.85 ft at 10:15 AM CDT 2-Aug-2021. Flood Stage is 22 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
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 at Tilden are issued as needed during times of high water, but are not routinely available.

Return to Area Map
Upstream Gauge - near Derby Upstream Gauge Downstream Gauge Downstream Gauge - at Choke Canyon Dam
Flood Categories (in feet)
Major Flood Stage: 27
Moderate Flood Stage: 26
Flood Stage: 22
Action Stage: 12
Low Stage (in feet): -9999

Historic Crests
(1) 30.06 ft on 07/10/2002
(2) 30.03 ft on 09/11/2002
(3) 29.80 ft on 06/28/1997
(4) 29.56 ft on 06/28/1997
(5) 29.18 ft on 06/09/1987
(6) 28.41 ft on 06/05/1987
(7) 28.20 ft on 07/02/1932
(8) 28.00 ft on 09/01/1919
(9) 27.61 ft on 06/17/1987
(10) 27.11 ft on 07/28/2007
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 22.33 ft on 09/23/2018
(2) 7.59 ft on 05/26/2017
(3) 9.29 ft on 10/02/2016
(4) 6.54 ft on 09/26/2016
(5) 21.11 ft on 08/23/2016
(6) 18.30 ft on 06/08/2016
(7) 25.04 ft on 05/31/2015
(8) 14.59 ft on 03/22/2015
(9) 16.50 ft on 10/17/2013
(10) 27.11 ft on 07/28/2007
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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
If you notice any errors in the below information, please contact our Webmaster
38.44 This is the flood of record outside period of record, occurring on July 1932.
30.06 This is the flood of record which occurred on July 10 2002. Disastrous flooding of commercial and residential buildings in Tilden.
29.8 Major flooding occurs. Disastrous flooding of commercial and residential buildings in Tilden. Restuarant on the right bank of the Frio River had 3 to 4 feet of water in it.
29.18 This is similar to the flood on June 9 1937. The restaurant had 3 feet of water inside. Numerous homes were flooded.
27 Major flooding occurs. Numerous residences and businesses flood in Tilden, requiring persons vulnerable to flooding to be evacuated. Lowland flooding of crops and pastureland traps and potentially drowns livestock. Most roads near the river are flooded and dangerous. Water reaches the parking lot and doors of the cafe.
26 Moderate flooding occurs. The flow is to the slab elevation of the lowest businesses and homes in Tilden. Numerous roads and low bridges flood and become very dangerous to motorists. Hundreds of livestock are trapped and potentially drowned in the flood plain, below Derby to the Choke Canyon Reservoir.
22 Minor lowland flooding of crops and pastureland occurs. Secondary roads and low bridges are also flooded.
20 Overbank conditions below Derby to Choke Canyon Reservoir occur, and floods the lowest secondary roads and bridges near the river.
17 Overbank conditions occur into lowest areas of the flood plain.
12 The river reaches bankfull stage.
Photos
(1) Gage Location on Bridge
(2) Overflow Area on Upstream Side of Bridge
(3) Frio River Looking Upstream
(4) Frio River Looking Downstream
(5) Overbank Area on Bridge
(6) Areal View of Flooding July 2002
(7) July 2002 Flooing Along Highway
(8) July 2002 Flooding in Frio River Floodplain
(9) July 2002 Flooding Along Highway
(10) Areal View of Flooding in River Basin
(11) Releases At Choke Canyon Dam During July 2002
(12) Areal View of Flooding Near River July 2002
About This Location Collapse

Latitude: 28.467222° N, Longitude: 98.547222° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 22 ft 22 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 22)
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 29 216.04 Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 216.04 ft 238.04 ft  

Current/Historical Observations:

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NWS Information
National Weather Service
Corpus Christi Weather Forecast Office
426 Pinson Drive
Corpus Christi, TX 78406-1803
(361) 289-0959
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Page last modified: 2-Nov-2020 7:29 PM
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