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ALERT: Update on status of the nationwide data transmission error that prevents stream gauge data collected at affected locations from being displayed on the Advanced Hydrologic Prediction Services (AHPS) webpages. The USGS has restored the transmission from all of their gauges or has placed them in a seasonal outage (some Alaska gauges). There are a few USGS gauges that the NWS is not yet receiving the new transmissions and NWS is working to get that data by alternate means. A map of the status of USGS gauges is here. The status map of gauge outages from other agencies is here. The situation has greatly improved and will continue to improve but at a slower pace. The outage maps will now be updated once per week on Thursday. We apologize for the service interruption and hope to have the data restored as soon as possible.



Hydrograph River at a Glance Download
Frio River near Derby Stage (ft)Flow (cfs)Observed: 2.41 ft at 6:30PM Nov 09, 2018Observed: 2.41 ft at 6:45PM Nov 09, 2018Observed: 2.41 ft at 7:00PM Nov 09, 2018Observed: 2.41 ft at 7:15PM Nov 09, 2018Observed: 2.41 ft at 7:30PM Nov 09, 2018Observed: 2.41 ft at 7:45PM Nov 09, 2018Observed: 2.41 ft at 8:00PM Nov 09, 2018Observed: 2.41 ft at 8:15PM Nov 09, 2018Observed: 2.41 ft at 8:30PM Nov 09, 2018Observed: 2.41 ft at 8:45PM Nov 09, 2018Observed: 2.41 ft at 9:00PM Nov 09, 2018Observed: 2.42 ft at 9:15PM Nov 09, 2018Observed: 2.41 ft at 9:30PM Nov 09, 2018Observed: 2.41 ft at 9:45PM Nov 09, 2018Observed: 2.42 ft at 10:00PM Nov 09, 2018Observed: 2.42 ft at 10:15PM Nov 09, 2018Observed: 2.42 ft at 10:30PM Nov 09, 2018Observed: 2.43 ft at 10:45PM Nov 09, 2018Observed: 2.44 ft at 11:00PM Nov 09, 2018Observed: 2.44 ft at 11:15PM Nov 09, 2018Observed: 2.45 ft at 11:30PM Nov 09, 2018Observed: 2.46 ft at 11:45PM Nov 09, 2018Observed: 2.47 ft at 12:00AM Nov 10, 2018Observed: 2.49 ft at 12:15AM Nov 10, 2018Observed: 2.51 ft at 12:30AM Nov 10, 2018Observed: 2.52 ft at 12:45AM Nov 10, 2018Observed: 2.54 ft at 1:00AM Nov 10, 2018Observed: 2.56 ft at 1:15AM Nov 10, 2018Observed: 2.59 ft at 1:30AM Nov 10, 2018Observed: 2.61 ft at 1:45AM Nov 10, 2018Observed: 2.64 ft at 2:00AM Nov 10, 2018Observed: 2.66 ft at 2:15AM Nov 10, 2018Observed: 2.68 ft at 2:30AM Nov 10, 2018Observed: 2.72 ft at 2:45AM Nov 10, 2018Observed: 2.75 ft at 3:00AM Nov 10, 2018Observed: 2.78 ft at 3:15AM Nov 10, 2018Observed: 2.8 ft at 3:30AM Nov 10, 2018Observed: 2.84 ft at 3:45AM Nov 10, 2018Observed: 2.86 ft at 4:00AM Nov 10, 2018Observed: 2.89 ft at 4:15AM Nov 10, 2018Observed: 2.91 ft at 4:30AM Nov 10, 2018Observed: 2.93 ft at 4:45AM Nov 10, 2018Observed: 2.96 ft at 5:00AM Nov 10, 2018Observed: 2.97 ft at 5:15AM Nov 10, 2018Observed: 3 ft at 5:30AM Nov 10, 2018Observed: 2.96 ft at 5:45AM Nov 10, 2018Observed: 2.98 ft at 6:00AM Nov 10, 2018Observed: 2.99 ft at 6:15AM Nov 10, 2018Observed: 3.01 ft at 6:30AM Nov 10, 2018Observed: 3.02 ft at 6:45AM Nov 10, 2018Observed: 3.04 ft at 7:00AM Nov 10, 2018Observed: 3.07 ft at 7:15AM Nov 10, 2018Observed: 3.06 ft at 7:30AM Nov 10, 2018Observed: 3.09 ft at 7:45AM Nov 10, 2018Observed: 3.1 ft at 8:00AM Nov 10, 2018Observed: 3.12 ft at 8:15AM Nov 10, 2018Observed: 3.13 ft at 8:30AM Nov 10, 2018Observed: 3.14 ft at 8:45AM Nov 10, 2018Observed: 3.17 ft at 9:00AM Nov 10, 2018Observed: 3.19 ft at 9:15AM Nov 10, 2018Observed: 3.2 ft at 9:30AM Nov 10, 2018Observed: 3.22 ft at 9:45AM Nov 10, 2018Observed: 3.24 ft at 10:00AM Nov 10, 2018Observed: 3.26 ft at 10:15AM Nov 10, 2018Observed: 3.28 ft at 10:30AM Nov 10, 2018Observed: 3.29 ft at 10:45AM Nov 10, 2018Observed: 3.3 ft at 11:00AM Nov 10, 2018Observed: 3.31 ft at 11:15AM Nov 10, 2018Observed: 3.31 ft at 11:30AM Nov 10, 2018Observed: 3.34 ft at 11:45AM Nov 10, 2018Observed: 3.35 ft at 12:00PM Nov 10, 2018Observed: 3.36 ft at 12:15PM Nov 10, 2018Observed: 3.4 ft at 12:30PM Nov 10, 2018Observed: 3.4 ft at 12:45PM Nov 10, 2018Observed: 3.41 ft at 1:00PM Nov 10, 2018Observed: 3.42 ft at 1:15PM Nov 10, 2018Observed: 3.46 ft at 1:30PM Nov 10, 2018Observed: 3.47 ft at 1:45PM Nov 10, 2018Observed: 3.49 ft at 2:00PM Nov 10, 2018Observed: 3.49 ft at 2:15PM Nov 10, 2018Observed: 3.5 ft at 2:30PM Nov 10, 2018Observed: 3.51 ft at 2:45PM Nov 10, 2018Observed: 3.56 ft at 3:00PM Nov 10, 2018Observed: 3.6 ft at 3:15PM Nov 10, 2018Observed: 3.61 ft at 3:30PM Nov 10, 2018Observed: 3.62 ft at 3:45PM Nov 10, 2018Observed: 3.64 ft at 4:00PM Nov 10, 2018Observed: 3.65 ft at 4:15PM Nov 10, 2018Observed: 3.63 ft at 4:30PM Nov 10, 2018Observed: 3.66 ft at 4:45PM Nov 10, 2018Observed: 3.68 ft at 5:00PM Nov 10, 2018Observed: 3.69 ft at 5:15PM Nov 10, 2018Observed: 3.68 ft at 5:30PM Nov 10, 2018Observed: 3.69 ft at 5:45PM Nov 10, 2018Observed: 3.71 ft at 6:00PM Nov 10, 2018Observed: 3.71 ft at 6:15PM Nov 10, 2018Observed: 3.72 ft at 6:30PM Nov 10, 2018Observed: 3.73 ft at 6:45PM Nov 10, 2018Observed: 3.72 ft at 7:00PM Nov 10, 2018Observed: 3.72 ft at 7:15PM Nov 10, 2018Observed: 3.73 ft at 7:30PM Nov 10, 2018Observed: 3.72 ft at 7:45PM Nov 10, 2018Observed: 3.74 ft at 8:00PM Nov 10, 2018Observed: 3.74 ft at 8:15PM Nov 10, 2018Observed: 3.73 ft at 8:30PM Nov 10, 2018Observed: 3.74 ft at 8:45PM Nov 10, 2018Highest Observation: 3.75 ft at 9:00PM Nov 10, 2018Observed: 3.72 ft at 9:15PM Nov 10, 2018Observed: 3.74 ft at 9:30PM Nov 10, 2018Highest Observation: 3.75 ft at 9:45PM Nov 10, 2018Observed: 3.74 ft at 10:00PM Nov 10, 2018Observed: 3.73 ft at 10:15PM Nov 10, 2018Observed: 3.69 ft at 10:30PM Nov 10, 2018Observed: 3.7 ft at 10:45PM Nov 10, 2018Observed: 3.71 ft at 11:00PM Nov 10, 2018Observed: 3.71 ft at 11:15PM Nov 10, 2018Observed: 3.71 ft at 11:30PM Nov 10, 2018Observed: 3.7 ft at 11:45PM Nov 10, 2018Observed: 3.69 ft at 12:00AM Nov 11, 2018Observed: 3.67 ft at 12:15AM Nov 11, 2018Observed: 3.67 ft at 12:30AM Nov 11, 2018Observed: 3.66 ft at 12:45AM Nov 11, 2018Observed: 3.65 ft at 1:00AM Nov 11, 2018Observed: 3.62 ft at 1:15AM Nov 11, 2018Observed: 3.62 ft at 1:30AM Nov 11, 2018Observed: 3.62 ft at 1:45AM Nov 11, 2018Observed: 3.59 ft at 2:00AM Nov 11, 2018Observed: 3.58 ft at 2:15AM Nov 11, 2018Observed: 3.57 ft at 2:30AM Nov 11, 2018Observed: 3.56 ft at 2:45AM Nov 11, 2018Observed: 3.51 ft at 3:00AM Nov 11, 2018Observed: 3.51 ft at 3:15AM Nov 11, 2018Observed: 3.47 ft at 3:30AM Nov 11, 2018Observed: 3.48 ft at 3:45AM Nov 11, 2018Observed: 3.45 ft at 4:00AM Nov 11, 2018Observed: 3.41 ft at 4:15AM Nov 11, 2018Observed: 3.39 ft at 4:30AM Nov 11, 2018Observed: 3.38 ft at 4:45AM Nov 11, 2018Observed: 3.35 ft at 5:00AM Nov 11, 2018Observed: 3.34 ft at 5:15AM Nov 11, 2018Observed: 3.33 ft at 5:30AM Nov 11, 2018Observed: 3.31 ft at 5:45AM Nov 11, 2018Observed: 3.3 ft at 6:00AM Nov 11, 2018Observed: 3.28 ft at 6:15AM Nov 11, 2018Observed: 3.25 ft at 6:30AM Nov 11, 2018Observed: 3.24 ft at 6:45AM Nov 11, 2018Observed: 3.23 ft at 7:00AM Nov 11, 2018Observed: 3.21 ft at 7:15AM Nov 11, 2018Observed: 3.2 ft at 7:30AM Nov 11, 2018Observed: 3.19 ft at 7:45AM Nov 11, 2018Observed: 3.17 ft at 8:00AM Nov 11, 2018Observed: 3.15 ft at 8:15AM Nov 11, 2018Observed: 3.14 ft at 8:30AM Nov 11, 2018Observed: 3.12 ft at 8:45AM Nov 11, 2018Observed: 3.12 ft at 9:00AM Nov 11, 2018Observed: 3.09 ft at 9:15AM Nov 11, 2018Observed: 3.08 ft at 9:30AM Nov 11, 2018Observed: 3.07 ft at 9:45AM Nov 11, 2018Observed: 3.05 ft at 10:00AM Nov 11, 2018Observed: 3.03 ft at 10:15AM Nov 11, 2018Observed: 3.02 ft at 10:30AM Nov 11, 2018Observed: 3 ft at 10:45AM Nov 11, 2018Observed: 2.99 ft at 11:00AM Nov 11, 2018Observed: 2.98 ft at 11:15AM Nov 11, 2018Observed: 2.97 ft at 11:30AM Nov 11, 2018Observed: 2.97 ft at 11:45AM Nov 11, 2018Observed: 2.95 ft at 12:00PM Nov 11, 2018Observed: 2.96 ft at 12:15PM Nov 11, 2018Observed: 2.95 ft at 12:30PM Nov 11, 2018Observed: 2.95 ft at 12:45PM Nov 11, 2018Observed: 2.95 ft at 1:00PM Nov 11, 2018Observed: 2.95 ft at 1:15PM Nov 11, 2018Observed: 2.93 ft at 1:30PM Nov 11, 2018Observed: 2.92 ft at 1:45PM Nov 11, 2018Observed: 2.92 ft at 2:00PM Nov 11, 2018Observed: 2.91 ft at 2:15PM Nov 11, 2018Observed: 2.89 ft at 2:30PM Nov 11, 2018Observed: 2.88 ft at 2:45PM Nov 11, 2018Observed: 2.87 ft at 3:00PM Nov 11, 2018Observed: 2.86 ft at 3:15PM Nov 11, 2018Observed: 2.86 ft at 3:30PM Nov 11, 2018Observed: 2.84 ft at 3:45PM Nov 11, 2018Observed: 2.84 ft at 4:00PM Nov 11, 2018Observed: 2.83 ft at 4:15PM Nov 11, 2018Observed: 2.81 ft at 4:30PM Nov 11, 2018Observed: 2.82 ft at 4:45PM Nov 11, 2018Observed: 2.8 ft at 5:00PM Nov 11, 2018Observed: 2.8 ft at 5:15PM Nov 11, 2018Observed: 2.79 ft at 5:30PM Nov 11, 2018Observed: 2.79 ft at 5:31PM Nov 11, 2018Observed: 2.77 ft at 5:45PM Nov 11, 2018Observed: 2.77 ft at 6:00PM Nov 11, 2018Observed: 2.77 ft at 6:15PM Nov 11, 2018Observed: 2.75 ft at 6:30PM Nov 11, 2018Observed: 2.75 ft at 6:45PM Nov 11, 2018Observed: 2.74 ft at 7:00PM Nov 11, 2018Observed: 2.74 ft at 7:15PM Nov 11, 2018Observed: 2.73 ft at 7:30PM Nov 11, 2018Observed: 2.72 ft at 7:45PM Nov 11, 2018Observed: 2.71 ft at 8:00PM Nov 11, 2018Observed: 2.71 ft at 8:15PM Nov 11, 2018Observed: 2.71 ft at 8:30PM Nov 11, 2018Observed: 2.7 ft at 8:45PM Nov 11, 2018Observed: 2.69 ft at 9:00PM Nov 11, 2018Observed: 2.69 ft at 9:15PM Nov 11, 2018Observed: 2.69 ft at 9:30PM Nov 11, 2018Observed: 2.67 ft at 9:45PM Nov 11, 2018Observed: 2.68 ft at 10:00PM Nov 11, 2018Observed: 2.67 ft at 10:15PM Nov 11, 2018Observed: 2.66 ft at 10:30PM Nov 11, 2018Observed: 2.66 ft at 10:45PM Nov 11, 2018Observed: 2.66 ft at 11:00PM Nov 11, 2018Observed: 2.65 ft at 11:15PM Nov 11, 2018Observed: 2.64 ft at 11:30PM Nov 11, 2018Observed: 2.64 ft at 11:45PM Nov 11, 2018Observed: 2.64 ft at 12:00AM Nov 12, 2018Observed: 2.63 ft at 12:15AM Nov 12, 2018Observed: 2.63 ft at 12:30AM Nov 12, 2018Observed: 2.63 ft at 12:45AM Nov 12, 2018Observed: 2.62 ft at 1:00AM Nov 12, 2018Observed: 2.61 ft at 1:15AM Nov 12, 2018Observed: 2.6 ft at 1:30AM Nov 12, 2018Observed: 2.61 ft at 1:45AM Nov 12, 2018Observed: 2.6 ft at 2:00AM Nov 12, 2018Observed: 2.6 ft at 2:15AM Nov 12, 2018Observed: 2.59 ft at 2:30AM Nov 12, 2018Observed: 2.59 ft at 2:45AM Nov 12, 2018Observed: 2.59 ft at 3:00AM Nov 12, 2018Observed: 2.58 ft at 3:15AM Nov 12, 2018Observed: 2.58 ft at 3:30AM Nov 12, 2018Observed: 2.57 ft at 3:45AM Nov 12, 2018Observed: 2.57 ft at 4:00AM Nov 12, 2018Observed: 2.57 ft at 4:15AM Nov 12, 2018Observed: 2.56 ft at 4:30AM Nov 12, 2018Observed: 2.56 ft at 4:45AM Nov 12, 2018Observed: 2.55 ft at 5:00AM Nov 12, 2018Observed: 2.55 ft at 5:15AM Nov 12, 2018Observed: 2.55 ft at 5:30AM Nov 12, 2018Observed: 2.55 ft at 5:45AM Nov 12, 2018Observed: 2.54 ft at 6:00AM Nov 12, 2018Observed: 2.53 ft at 6:15AM Nov 12, 2018Observed: 2.53 ft at 6:30AM Nov 12, 2018Observed: 2.54 ft at 6:45AM Nov 12, 2018Observed: 2.54 ft at 7:00AM Nov 12, 2018Observed: 2.53 ft at 7:15AM Nov 12, 2018Observed: 2.52 ft at 7:30AM Nov 12, 2018Observed: 2.52 ft at 7:45AM Nov 12, 2018Observed: 2.52 ft at 8:00AM Nov 12, 2018Observed: 2.51 ft at 8:15AM Nov 12, 2018Observed: 2.51 ft at 8:30AM Nov 12, 2018Observed: 2.51 ft at 8:45AM Nov 12, 2018Observed: 2.51 ft at 9:00AM Nov 12, 2018Observed: 2.5 ft at 9:15AM Nov 12, 2018Observed: 2.5 ft at 9:30AM Nov 12, 2018Observed: 2.5 ft at 9:45AM Nov 12, 2018Observed: 2.5 ft at 10:00AM Nov 12, 2018Observed: 2.5 ft at 10:15AM Nov 12, 2018Observed: 2.49 ft at 10:30AM Nov 12, 2018Observed: 2.49 ft at 10:45AM Nov 12, 2018Observed: 2.49 ft at 11:00AM Nov 12, 2018Observed: 2.48 ft at 11:15AM Nov 12, 2018Observed: 2.47 ft at 11:30AM Nov 12, 2018Observed: 2.48 ft at 11:45AM Nov 12, 2018Observed: 2.48 ft at 12:00PM Nov 12, 2018Observed: 2.47 ft at 12:15PM Nov 12, 2018Observed: 2.47 ft at 12:30PM Nov 12, 2018Observed: 2.47 ft at 12:45PM Nov 12, 2018Observed: 2.46 ft at 1:00PM Nov 12, 2018Observed: 2.46 ft at 1:15PM Nov 12, 2018Observed: 2.45 ft at 1:30PM Nov 12, 2018Observed: 2.45 ft at 1:45PM Nov 12, 2018Observed: 2.45 ft at 2:00PM Nov 12, 2018Observed: 2.44 ft at 2:15PM Nov 12, 2018Observed: 2.45 ft at 2:30PM Nov 12, 2018Observed: 2.44 ft at 2:45PM Nov 12, 2018Observed: 2.44 ft at 3:00PM Nov 12, 2018Observed: 2.43 ft at 3:15PM Nov 12, 2018Observed: 2.43 ft at 3:30PM Nov 12, 2018Observed: 2.44 ft at 3:45PM Nov 12, 2018Observed: 2.43 ft at 4:00PM Nov 12, 2018Observed: 2.42 ft at 4:15PM Nov 12, 2018Observed: 2.42 ft at 4:30PM Nov 12, 2018Observed: 2.41 ft at 4:45PM Nov 12, 2018Observed: 2.41 ft at 5:00PM Nov 12, 2018Observed: 2.42 ft at 5:15PM Nov 12, 2018Observed: 2.41 ft at 5:30PM Nov 12, 2018Observed: 2.41 ft at 5:45PM Nov 12, 2018Observed: 2.41 ft at 6:00PM Nov 12, 2018Observed: 2.4 ft at 6:15PM Nov 12, 2018Observed: 2.4 ft at 6:30PM Nov 12, 2018Observed: 2.4 ft at 6:45PM Nov 12, 2018Observed: 2.39 ft at 7:00PM Nov 12, 2018Observed: 2.39 ft at 7:15PM Nov 12, 2018Observed: 2.39 ft at 7:30PM Nov 12, 2018Observed: 2.39 ft at 7:45PM Nov 12, 2018Observed: 2.39 ft at 8:00PM Nov 12, 2018Observed: 2.39 ft at 8:15PM Nov 12, 2018Observed: 2.39 ft at 8:30PM Nov 12, 2018Observed: 2.38 ft at 8:45PM Nov 12, 2018Observed: 2.38 ft at 9:00PM Nov 12, 2018Observed: 2.38 ft at 9:15PM Nov 12, 2018Observed: 2.38 ft at 9:30PM Nov 12, 2018Observed: 2.38 ft at 9:45PM Nov 12, 2018Observed: 2.37 ft at 10:00PM Nov 12, 2018Observed: 2.37 ft at 10:15PM Nov 12, 2018Observed: 2.37 ft at 10:30PM Nov 12, 2018Observed: 2.37 ft at 10:45PM Nov 12, 2018Observed: 2.36 ft at 11:00PM Nov 12, 2018Observed: 2.36 ft at 11:15PM Nov 12, 2018Observed: 2.36 ft at 11:30PM Nov 12, 2018Observed: 2.36 ft at 11:45PM Nov 12, 2018Observed: 2.36 ft at 12:00AM Nov 13, 2018Observed: 2.35 ft at 12:15AM Nov 13, 2018Observed: 2.36 ft at 12:30AM Nov 13, 2018Observed: 2.35 ft at 12:45AM Nov 13, 2018Observed: 2.35 ft at 1:00AM Nov 13, 2018Observed: 2.35 ft at 1:15AM Nov 13, 2018Observed: 2.35 ft at 1:30AM Nov 13, 2018Observed: 2.35 ft at 1:45AM Nov 13, 2018Observed: 2.35 ft at 2:00AM Nov 13, 2018Observed: 2.34 ft at 2:15AM Nov 13, 2018Observed: 2.34 ft at 2:30AM Nov 13, 2018Observed: 2.34 ft at 2:45AM Nov 13, 2018Observed: 2.34 ft at 3:00AM Nov 13, 2018Observed: 2.34 ft at 3:15AM Nov 13, 2018Observed: 2.34 ft at 3:30AM Nov 13, 2018Observed: 2.33 ft at 3:45AM Nov 13, 2018Observed: 2.33 ft at 4:00AM Nov 13, 2018Observed: 2.33 ft at 4:15AM Nov 13, 2018Observed: 2.33 ft at 4:30AM Nov 13, 2018Observed: 2.33 ft at 4:45AM Nov 13, 2018Observed: 2.33 ft at 5:00AM Nov 13, 2018Observed: 2.32 ft at 5:15AM Nov 13, 2018Observed: 2.32 ft at 5:30AM Nov 13, 2018Observed: 2.32 ft at 5:45AM Nov 13, 2018Observed: 2.32 ft at 6:00AM Nov 13, 2018Observed: 2.32 ft at 6:15AM Nov 13, 2018Observed: 2.32 ft at 6:30AM Nov 13, 2018Observed: 2.32 ft at 6:45AM Nov 13, 2018Observed: 2.32 ft at 7:00AM Nov 13, 2018Observed: 2.32 ft at 7:15AM Nov 13, 2018Observed: 2.31 ft at 7:30AM Nov 13, 2018Observed: 2.31 ft at 7:45AM Nov 13, 2018Observed: 2.31 ft at 8:00AM Nov 13, 2018Observed: 2.31 ft at 8:15AM Nov 13, 2018Observed: 2.31 ft at 8:30AM Nov 13, 2018Observed: 2.31 ft at 8:45AM Nov 13, 2018Observed: 2.3 ft at 9:00AM Nov 13, 2018Observed: 2.3 ft at 9:15AM Nov 13, 2018Observed: 2.3 ft at 9:30AM Nov 13, 2018Observed: 2.3 ft at 9:45AM Nov 13, 2018Observed: 2.3 ft at 10:00AM Nov 13, 2018Observed: 2.3 ft at 10:15AM Nov 13, 2018Observed: 2.3 ft at 10:30AM Nov 13, 2018Observed: 2.3 ft at 10:45AM Nov 13, 2018Observed: 2.3 ft at 11:00AM Nov 13, 2018Observed: 2.3 ft at 11:15AM Nov 13, 2018Observed: 2.29 ft at 11:30AM Nov 13, 2018Observed: 2.3 ft at 11:45AM Nov 13, 2018Observed: 2.29 ft at 12:00PM Nov 13, 2018Observed: 2.3 ft at 12:15PM Nov 13, 2018Observed: 2.29 ft at 12:30PM Nov 13, 2018Observed: 2.29 ft at 12:45PM Nov 13, 2018Observed: 2.29 ft at 1:00PM Nov 13, 2018Observed: 2.28 ft at 1:15PM Nov 13, 2018Observed: 2.28 ft at 1:30PM Nov 13, 2018Observed: 2.28 ft at 1:45PM Nov 13, 2018Observed: 2.28 ft at 2:00PM Nov 13, 2018Observed: 2.29 ft at 2:15PM Nov 13, 2018Observed: 2.28 ft at 2:30PM Nov 13, 2018Observed: 2.28 ft at 2:45PM Nov 13, 2018Observed: 2.28 ft at 3:00PM Nov 13, 2018Observed: 2.28 ft at 3:15PM Nov 13, 2018Observed: 2.28 ft at 3:30PM Nov 13, 2018Observed: 2.28 ft at 3:45PM Nov 13, 2018Observed: 2.26 ft at 4:00PM Nov 13, 2018Observed: 2.26 ft at 4:15PM Nov 13, 2018Observed: 2.26 ft at 4:30PM Nov 13, 2018Observed: 2.26 ft at 4:45PM Nov 13, 2018Observed: 2.26 ft at 5:00PM Nov 13, 2018Observed: 2.26 ft at 5:15PM Nov 13, 2018Observed: 2.26 ft at 5:30PM Nov 13, 2018Observed: 2.25 ft at 5:45PM Nov 13, 2018Observed: 2.25 ft at 6:00PM Nov 13, 2018Observed: 2.25 ft at 6:15PM Nov 13, 2018Observed: 2.25 ft at 6:30PM Nov 13, 2018Observed: 2.25 ft at 6:45PM Nov 13, 2018Observed: 2.25 ft at 7:00PM Nov 13, 2018Observed: 2.24 ft at 7:15PM Nov 13, 2018Observed: 2.24 ft at 7:30PM Nov 13, 2018Observed: 2.24 ft at 7:45PM Nov 13, 2018Observed: 2.24 ft at 8:00PM Nov 13, 2018Observed: 2.24 ft at 8:15PM Nov 13, 2018Observed: 2.23 ft at 8:30PM Nov 13, 2018Observed: 2.24 ft at 8:45PM Nov 13, 2018Observed: 2.23 ft at 9:00PM Nov 13, 2018Observed: 2.24 ft at 9:15PM Nov 13, 2018Observed: 2.23 ft at 9:30PM Nov 13, 2018Observed: 2.23 ft at 9:45PM Nov 13, 2018Observed: 2.23 ft at 10:00PM Nov 13, 2018Observed: 2.23 ft at 10:15PM Nov 13, 2018Observed: 2.23 ft at 10:30PM Nov 13, 2018Observed: 2.23 ft at 10:45PM Nov 13, 2018Observed: 2.23 ft at 11:00PM Nov 13, 2018Observed: 2.23 ft at 11:15PM Nov 13, 2018Observed: 2.23 ft at 11:30PM Nov 13, 2018Observed: 2.23 ft at 11:45PM Nov 13, 2018Observed: 2.23 ft at 12:00AM Nov 14, 2018Observed: 2.22 ft at 12:15AM Nov 14, 2018Observed: 2.22 ft at 12:30AM Nov 14, 2018Observed: 2.22 ft at 12:45AM Nov 14, 2018Observed: 2.22 ft at 1:00AM Nov 14, 2018Observed: 2.22 ft at 1:15AM Nov 14, 2018Observed: 2.22 ft at 1:30AM Nov 14, 2018Observed: 2.22 ft at 1:45AM Nov 14, 2018Observed: 2.22 ft at 2:00AM Nov 14, 2018Observed: 2.21 ft at 2:15AM Nov 14, 2018Observed: 2.22 ft at 2:30AM Nov 14, 2018Observed: 2.22 ft at 2:45AM Nov 14, 2018Observed: 2.21 ft at 3:00AM Nov 14, 2018Observed: 2.21 ft at 3:15AM Nov 14, 2018Observed: 2.21 ft at 3:30AM Nov 14, 2018Observed: 2.21 ft at 3:45AM Nov 14, 2018Observed: 2.21 ft at 4:00AM Nov 14, 2018Observed: 2.21 ft at 4:15AM Nov 14, 2018Observed: 2.21 ft at 4:30AM Nov 14, 2018Observed: 2.21 ft at 4:45AM Nov 14, 2018Observed: 2.21 ft at 5:00AM Nov 14, 2018Observed: 2.21 ft at 5:15AM Nov 14, 2018Observed: 2.21 ft at 5:30AM Nov 14, 2018Observed: 2.21 ft at 5:45AM Nov 14, 2018Observed: 2.21 ft at 6:00AM Nov 14, 2018Observed: 2.2 ft at 6:15AM Nov 14, 2018Observed: 2.2 ft at 6:30AM Nov 14, 2018Observed: 2.2 ft at 6:45AM Nov 14, 2018Observed: 2.2 ft at 7:00AM Nov 14, 2018Observed: 2.21 ft at 7:15AM Nov 14, 2018Observed: 2.2 ft at 7:30AM Nov 14, 2018Observed: 2.2 ft at 7:45AM Nov 14, 2018Observed: 2.2 ft at 8:00AM Nov 14, 2018Observed: 2.2 ft at 8:15AM Nov 14, 2018Observed: 2.2 ft at 8:30AM Nov 14, 2018Observed: 2.2 ft at 8:45AM Nov 14, 2018Observed: 2.2 ft at 9:00AM Nov 14, 2018Observed: 2.2 ft at 9:15AM Nov 14, 2018Observed: 2.2 ft at 9:30AM Nov 14, 2018Observed: 2.2 ft at 9:45AM Nov 14, 2018Observed: 2.2 ft at 10:00AM Nov 14, 2018Observed: 2.2 ft at 10:15AM Nov 14, 2018Observed: 2.2 ft at 10:30AM Nov 14, 2018Observed: 2.2 ft at 10:45AM Nov 14, 2018Observed: 2.2 ft at 11:00AM Nov 14, 2018Observed: 2.19 ft at 11:15AM Nov 14, 2018Observed: 2.2 ft at 11:30AM Nov 14, 2018Observed: 2.19 ft at 11:45AM Nov 14, 2018Observed: 2.19 ft at 12:00PM Nov 14, 2018Observed: 2.19 ft at 12:15PM Nov 14, 2018Observed: 2.19 ft at 12:30PM Nov 14, 2018Observed: 2.19 ft at 12:45PM Nov 14, 2018Observed: 2.19 ft at 1:00PM Nov 14, 2018Observed: 2.18 ft at 1:15PM Nov 14, 2018Observed: 2.18 ft at 1:30PM Nov 14, 2018Observed: 2.18 ft at 1:45PM Nov 14, 2018Observed: 2.18 ft at 2:00PM Nov 14, 2018Observed: 2.18 ft at 2:15PM Nov 14, 2018Observed: 2.18 ft at 2:30PM Nov 14, 2018Observed: 2.18 ft at 2:45PM Nov 14, 2018Observed: 2.18 ft at 3:00PM Nov 14, 2018Observed: 2.18 ft at 3:15PM Nov 14, 2018Observed: 2.18 ft at 3:30PM Nov 14, 2018Observed: 2.18 ft at 3:45PM Nov 14, 2018Observed: 2.18 ft at 4:00PM Nov 14, 2018Observed: 2.17 ft at 4:15PM Nov 14, 2018Observed: 2.17 ft at 4:30PM Nov 14, 2018Observed: 2.17 ft at 4:45PM Nov 14, 2018Observed: 2.17 ft at 5:00PM Nov 14, 2018Observed: 2.17 ft at 5:15PM Nov 14, 2018Observed: 2.17 ft at 5:30PM Nov 14, 2018USGS--Water Resources of the United StatesDBYT2(plotting HGIRG) Graph Created (6:18PM Nov 14, 2018)ObservedLatest observed value: 2.17 ft at 5:30 PM CST 14-Nov-2018. Flood Stage is 6 ft
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Tabular Data (UTC)
Tabular Data (CST)
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Datum: Not Available
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 12 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.

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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
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(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)
Show More Recent Crests

(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
If you notice any errors in the below information, please contact our Webmaster
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: 21-Dec-2016 5:20 PM
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