Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left Home News Organization
Bookmark and Share Navigation Bar End Cap

  

National Conditions
    Rivers
    Satellite
    Climate
    Observed Precip

Local Conditions
    Warnings
    Weather Forecast
    Radar

AHPS Documentation
    User Guide
    User Brochure

What is AHPS?
    Facts
    Our Partners

Feedback/Questions
     Provide Feedback
    Ask Questions

When flooded turn around don't drown
FloodSmart
USA.gov Official Web Portal
 
Hydrograph River at a Glance Download
Frio River at Tilden Stage (ft)Flow (cfs)Observed: 2.23 ft at 2:45PM Oct 16, 2019Observed: 2.22 ft at 3:00PM Oct 16, 2019Observed: 2.3 ft at 3:15PM Oct 16, 2019Observed: 2.23 ft at 3:30PM Oct 16, 2019Observed: 2.24 ft at 3:45PM Oct 16, 2019Observed: 2.24 ft at 4:00PM Oct 16, 2019Observed: 2.32 ft at 4:15PM Oct 16, 2019Observed: 2.27 ft at 4:30PM Oct 16, 2019Observed: 2.24 ft at 4:45PM Oct 16, 2019Highest Observation: 2.35 ft at 5:00PM Oct 16, 2019Observed: 2.24 ft at 5:15PM Oct 16, 2019Observed: 2.3 ft at 5:30PM Oct 16, 2019Observed: 2.28 ft at 5:45PM Oct 16, 2019Observed: 2.28 ft at 6:00PM Oct 16, 2019Observed: 2.29 ft at 6:15PM Oct 16, 2019Observed: 2.25 ft at 6:30PM Oct 16, 2019Observed: 2.24 ft at 6:45PM Oct 16, 2019Observed: 2.21 ft at 7:00PM Oct 16, 2019Observed: 2.27 ft at 7:15PM Oct 16, 2019Observed: 2.22 ft at 7:30PM Oct 16, 2019Observed: 2.27 ft at 7:45PM Oct 16, 2019Observed: 2.22 ft at 8:00PM Oct 16, 2019Highest Observation: 2.35 ft at 8:15PM Oct 16, 2019Observed: 2.26 ft at 8:30PM Oct 16, 2019Observed: 2.23 ft at 8:45PM Oct 16, 2019Observed: 2.24 ft at 9:00PM Oct 16, 2019Observed: 2.23 ft at 9:15PM Oct 16, 2019Observed: 2.22 ft at 9:30PM Oct 16, 2019Observed: 2.28 ft at 9:45PM Oct 16, 2019Observed: 2.29 ft at 10:00PM Oct 16, 2019Observed: 2.24 ft at 10:15PM Oct 16, 2019Observed: 2.29 ft at 10:30PM Oct 16, 2019Observed: 2.19 ft at 10:45PM Oct 16, 2019Observed: 2.19 ft at 11:00PM Oct 16, 2019Observed: 2.21 ft at 11:15PM Oct 16, 2019Observed: 2.19 ft at 11:30PM Oct 16, 2019Observed: 2.22 ft at 11:45PM Oct 16, 2019Observed: 2.25 ft at 12:00AM Oct 17, 2019Observed: 2.29 ft at 12:15AM Oct 17, 2019Observed: 2.17 ft at 12:30AM Oct 17, 2019Observed: 2.15 ft at 12:45AM Oct 17, 2019Observed: 2.18 ft at 1:00AM Oct 17, 2019Observed: 2.19 ft at 1:15AM Oct 17, 2019Observed: 2.13 ft at 1:30AM Oct 17, 2019Observed: 2.16 ft at 1:45AM Oct 17, 2019Observed: 2.17 ft at 2:00AM Oct 17, 2019Observed: 2.14 ft at 2:15AM Oct 17, 2019Observed: 2.15 ft at 2:30AM Oct 17, 2019Observed: 2.15 ft at 2:45AM Oct 17, 2019Observed: 2.18 ft at 3:00AM Oct 17, 2019Observed: 2.14 ft at 3:15AM Oct 17, 2019Observed: 2.19 ft at 3:30AM Oct 17, 2019Observed: 2.12 ft at 3:45AM Oct 17, 2019Observed: 2.12 ft at 4:00AM Oct 17, 2019Observed: 2.19 ft at 4:15AM Oct 17, 2019Observed: 2.12 ft at 4:30AM Oct 17, 2019Observed: 2.15 ft at 4:45AM Oct 17, 2019Observed: 2.14 ft at 5:00AM Oct 17, 2019Observed: 2.14 ft at 5:15AM Oct 17, 2019Observed: 2.13 ft at 5:30AM Oct 17, 2019Observed: 2.11 ft at 5:45AM Oct 17, 2019Observed: 2.12 ft at 6:00AM Oct 17, 2019Observed: 2.11 ft at 6:15AM Oct 17, 2019Observed: 2.14 ft at 6:30AM Oct 17, 2019Observed: 2.19 ft at 6:45AM Oct 17, 2019Observed: 2.12 ft at 7:00AM Oct 17, 2019Observed: 2.11 ft at 7:15AM Oct 17, 2019Observed: 2.12 ft at 7:30AM Oct 17, 2019Observed: 2.12 ft at 7:45AM Oct 17, 2019Observed: 2.12 ft at 8:00AM Oct 17, 2019Observed: 2.11 ft at 8:15AM Oct 17, 2019Observed: 2.13 ft at 8:30AM Oct 17, 2019Observed: 2.12 ft at 8:45AM Oct 17, 2019Observed: 2.17 ft at 9:00AM Oct 17, 2019Observed: 2.12 ft at 9:15AM Oct 17, 2019Observed: 2.1 ft at 9:30AM Oct 17, 2019Observed: 2.08 ft at 9:45AM Oct 17, 2019Observed: 2.1 ft at 10:00AM Oct 17, 2019Observed: 2.07 ft at 10:15AM Oct 17, 2019Observed: 2.12 ft at 10:30AM Oct 17, 2019Observed: 2.12 ft at 10:45AM Oct 17, 2019Observed: 2.08 ft at 11:00AM Oct 17, 2019Observed: 2.07 ft at 11:15AM Oct 17, 2019Observed: 2.11 ft at 11:30AM Oct 17, 2019Observed: 2.12 ft at 11:45AM Oct 17, 2019Observed: 2.08 ft at 12:00PM Oct 17, 2019Observed: 2.12 ft at 12:15PM Oct 17, 2019Observed: 2.08 ft at 12:30PM Oct 17, 2019Observed: 2.08 ft at 12:45PM Oct 17, 2019Observed: 2.11 ft at 1:00PM Oct 17, 2019Observed: 2.13 ft at 1:15PM Oct 17, 2019Observed: 2.09 ft at 1:30PM Oct 17, 2019Observed: 2.13 ft at 1:45PM Oct 17, 2019Observed: 2.07 ft at 2:00PM Oct 17, 2019Observed: 2.14 ft at 2:15PM Oct 17, 2019Observed: 2.07 ft at 2:30PM Oct 17, 2019Observed: 2.13 ft at 2:45PM Oct 17, 2019Observed: 2.09 ft at 3:00PM Oct 17, 2019Observed: 2.06 ft at 3:15PM Oct 17, 2019Observed: 2.04 ft at 3:30PM Oct 17, 2019Observed: 2.08 ft at 3:45PM Oct 17, 2019Observed: 2.07 ft at 4:00PM Oct 17, 2019Observed: 2.13 ft at 4:15PM Oct 17, 2019Observed: 2.08 ft at 4:30PM Oct 17, 2019Observed: 2.13 ft at 4:45PM Oct 17, 2019Observed: 2.05 ft at 5:00PM Oct 17, 2019Observed: 2.08 ft at 5:15PM Oct 17, 2019Observed: 2.05 ft at 5:30PM Oct 17, 2019Observed: 2.11 ft at 5:45PM Oct 17, 2019Observed: 2.09 ft at 6:00PM Oct 17, 2019Observed: 2.08 ft at 6:15PM Oct 17, 2019Observed: 2.02 ft at 6:30PM Oct 17, 2019Observed: 2.04 ft at 6:45PM Oct 17, 2019Observed: 2.04 ft at 7:00PM Oct 17, 2019Observed: 2.06 ft at 7:15PM Oct 17, 2019Observed: 2.09 ft at 7:30PM Oct 17, 2019Observed: 2.03 ft at 7:45PM Oct 17, 2019Observed: 2.02 ft at 8:00PM Oct 17, 2019Observed: 2.03 ft at 8:15PM Oct 17, 2019Observed: 2.03 ft at 8:30PM Oct 17, 2019Observed: 2.06 ft at 8:45PM Oct 17, 2019Observed: 2.02 ft at 9:00PM Oct 17, 2019Observed: 2.04 ft at 9:15PM Oct 17, 2019Observed: 2.07 ft at 9:30PM Oct 17, 2019Observed: 2.04 ft at 9:45PM Oct 17, 2019Observed: 2.04 ft at 10:00PM Oct 17, 2019Observed: 2.03 ft at 10:15PM Oct 17, 2019Observed: 2.02 ft at 10:30PM Oct 17, 2019Observed: 2.02 ft at 10:45PM Oct 17, 2019Observed: 2.1 ft at 11:00PM Oct 17, 2019Observed: 2.03 ft at 11:15PM Oct 17, 2019Observed: 2.05 ft at 11:30PM Oct 17, 2019Observed: 2.09 ft at 11:45PM Oct 17, 2019Observed: 2.04 ft at 12:00AM Oct 18, 2019Observed: 2.12 ft at 12:15AM Oct 18, 2019Observed: 2.02 ft at 12:30AM Oct 18, 2019Observed: 2.03 ft at 12:45AM Oct 18, 2019Observed: 2.07 ft at 1:00AM Oct 18, 2019Observed: 2.07 ft at 1:15AM Oct 18, 2019Observed: 2.02 ft at 1:30AM Oct 18, 2019Observed: 2.03 ft at 1:45AM Oct 18, 2019Observed: 2.08 ft at 2:00AM Oct 18, 2019Observed: 2.01 ft at 2:15AM Oct 18, 2019Observed: 2.06 ft at 2:30AM Oct 18, 2019Observed: 2.05 ft at 2:45AM Oct 18, 2019Observed: 2.06 ft at 3:00AM Oct 18, 2019Observed: 2.07 ft at 3:15AM Oct 18, 2019Observed: 2.06 ft at 3:30AM Oct 18, 2019Observed: 2.03 ft at 3:45AM Oct 18, 2019Observed: 2.05 ft at 4:00AM Oct 18, 2019Observed: 2.05 ft at 4:15AM Oct 18, 2019Observed: 2.09 ft at 4:30AM Oct 18, 2019Observed: 2.03 ft at 4:45AM Oct 18, 2019Observed: 2.05 ft at 5:00AM Oct 18, 2019Observed: 2.07 ft at 5:15AM Oct 18, 2019Observed: 2.03 ft at 5:30AM Oct 18, 2019Observed: 2.07 ft at 5:45AM Oct 18, 2019Observed: 2 ft at 6:00AM Oct 18, 2019Observed: 2.02 ft at 6:15AM Oct 18, 2019Observed: 2.04 ft at 6:30AM Oct 18, 2019Observed: 2.01 ft at 6:45AM Oct 18, 2019Observed: 2.01 ft at 7:00AM Oct 18, 2019Observed: 2.01 ft at 7:15AM Oct 18, 2019Observed: 2.07 ft at 7:30AM Oct 18, 2019Observed: 2.01 ft at 7:45AM Oct 18, 2019Observed: 2.08 ft at 8:00AM Oct 18, 2019Observed: 2.01 ft at 8:15AM Oct 18, 2019Observed: 2 ft at 8:30AM Oct 18, 2019Observed: 2.01 ft at 8:45AM Oct 18, 2019Observed: 2.02 ft at 9:00AM Oct 18, 2019Observed: 2.02 ft at 9:15AM Oct 18, 2019Observed: 2.04 ft at 9:30AM Oct 18, 2019Observed: 2 ft at 9:45AM Oct 18, 2019Observed: 2.05 ft at 10:00AM Oct 18, 2019Observed: 2 ft at 10:15AM Oct 18, 2019Observed: 2.05 ft at 11:30AM Oct 18, 2019Observed: 2.03 ft at 11:45AM Oct 18, 2019Observed: 2.06 ft at 12:00PM Oct 18, 2019Observed: 2.01 ft at 12:15PM Oct 18, 2019Observed: 2.04 ft at 12:30PM Oct 18, 2019Observed: 2.07 ft at 12:45PM Oct 18, 2019Observed: 2.01 ft at 1:00PM Oct 18, 2019Observed: 2.01 ft at 1:15PM Oct 18, 2019Observed: 2.03 ft at 1:30PM Oct 18, 2019Observed: 2.04 ft at 1:45PM Oct 18, 2019Observed: 2.02 ft at 2:00PM Oct 18, 2019Observed: 2.02 ft at 2:15PM Oct 18, 2019Observed: 2.01 ft at 2:30PM Oct 18, 2019Observed: 2.01 ft at 2:45PM Oct 18, 2019Observed: 2.05 ft at 3:00PM Oct 18, 2019Observed: 2.05 ft at 3:15PM Oct 18, 2019Observed: 2.03 ft at 3:30PM Oct 18, 2019Observed: 2.03 ft at 3:45PM Oct 18, 2019Observed: 2.02 ft at 4:00PM Oct 18, 2019Observed: 2.04 ft at 4:15PM Oct 18, 2019Observed: 2.01 ft at 4:30PM Oct 18, 2019Observed: 2.01 ft at 4:45PM Oct 18, 2019Observed: 2.02 ft at 5:00PM Oct 18, 2019Observed: 2.03 ft at 5:15PM Oct 18, 2019Observed: 2.05 ft at 5:30PM Oct 18, 2019Observed: 2 ft at 5:45PM Oct 18, 2019Observed: 1.99 ft at 6:00PM Oct 18, 2019Observed: 2 ft at 6:15PM Oct 18, 2019Observed: 2.04 ft at 6:30PM Oct 18, 2019Observed: 2.03 ft at 6:45PM Oct 18, 2019Observed: 2.02 ft at 7:00PM Oct 18, 2019Observed: 2 ft at 7:15PM Oct 18, 2019Observed: 2.03 ft at 7:30PM Oct 18, 2019Observed: 2.01 ft at 7:45PM Oct 18, 2019Observed: 1.99 ft at 8:00PM Oct 18, 2019Observed: 2 ft at 8:15PM Oct 18, 2019Observed: 2.03 ft at 8:30PM Oct 18, 2019Observed: 2.03 ft at 8:45PM Oct 18, 2019Observed: 2.01 ft at 9:00PM Oct 18, 2019Observed: 2.01 ft at 9:15PM Oct 18, 2019Observed: 2 ft at 9:30PM Oct 18, 2019Observed: 1.97 ft at 9:45PM Oct 18, 2019Observed: 2.05 ft at 10:00PM Oct 18, 2019Observed: 1.98 ft at 10:15PM Oct 18, 2019Observed: 2 ft at 10:30PM Oct 18, 2019Observed: 2.01 ft at 10:45PM Oct 18, 2019Observed: 2.01 ft at 11:00PM Oct 18, 2019Observed: 2.03 ft at 11:15PM Oct 18, 2019Observed: 1.99 ft at 11:30PM Oct 18, 2019Observed: 1.99 ft at 11:45PM Oct 18, 2019Observed: 2.01 ft at 12:00AM Oct 19, 2019Observed: 2.02 ft at 12:15AM Oct 19, 2019Observed: 2 ft at 12:30AM Oct 19, 2019Observed: 2 ft at 12:45AM Oct 19, 2019Observed: 2.03 ft at 1:00AM Oct 19, 2019Observed: 1.99 ft at 1:15AM Oct 19, 2019Observed: 2 ft at 1:30AM Oct 19, 2019Observed: 1.99 ft at 1:45AM Oct 19, 2019Observed: 2.03 ft at 2:00AM Oct 19, 2019Observed: 2 ft at 2:15AM Oct 19, 2019Observed: 2 ft at 2:30AM Oct 19, 2019Observed: 2.01 ft at 2:45AM Oct 19, 2019Observed: 2.01 ft at 3:00AM Oct 19, 2019Observed: 2.02 ft at 3:15AM Oct 19, 2019Observed: 2.01 ft at 3:30AM Oct 19, 2019Observed: 2 ft at 3:45AM Oct 19, 2019Observed: 1.98 ft at 4:00AM Oct 19, 2019Observed: 1.99 ft at 4:15AM Oct 19, 2019Observed: 2.01 ft at 4:30AM Oct 19, 2019Observed: 2.01 ft at 4:45AM Oct 19, 2019Observed: 2.03 ft at 5:00AM Oct 19, 2019Observed: 2.02 ft at 5:15AM Oct 19, 2019Observed: 2 ft at 5:30AM Oct 19, 2019Observed: 2.02 ft at 5:45AM Oct 19, 2019Observed: 2.01 ft at 6:00AM Oct 19, 2019Observed: 2.04 ft at 6:15AM Oct 19, 2019Observed: 1.99 ft at 6:30AM Oct 19, 2019Observed: 2.02 ft at 6:45AM Oct 19, 2019Observed: 2 ft at 7:00AM Oct 19, 2019Observed: 2 ft at 7:15AM Oct 19, 2019Observed: 1.98 ft at 7:30AM Oct 19, 2019Observed: 2.03 ft at 7:45AM Oct 19, 2019Observed: 1.99 ft at 8:00AM Oct 19, 2019Observed: 1.99 ft at 8:15AM Oct 19, 2019Observed: 2.01 ft at 8:30AM Oct 19, 2019Observed: 2 ft at 8:45AM Oct 19, 2019Observed: 2.01 ft at 9:00AM Oct 19, 2019Observed: 2 ft at 9:15AM Oct 19, 2019Observed: 1.99 ft at 9:30AM Oct 19, 2019Observed: 2.03 ft at 9:45AM Oct 19, 2019Observed: 2 ft at 10:00AM Oct 19, 2019Observed: 1.99 ft at 10:15AM Oct 19, 2019Observed: 2.04 ft at 10:30AM Oct 19, 2019Observed: 2.01 ft at 10:45AM Oct 19, 2019Observed: 2 ft at 11:00AM Oct 19, 2019Observed: 2 ft at 11:15AM Oct 19, 2019Observed: 2 ft at 11:30AM Oct 19, 2019Observed: 1.96 ft at 11:45AM Oct 19, 2019Observed: 1.99 ft at 12:00PM Oct 19, 2019Observed: 1.99 ft at 12:15PM Oct 19, 2019Observed: 2.01 ft at 12:30PM Oct 19, 2019Observed: 2.01 ft at 12:45PM Oct 19, 2019Observed: 1.98 ft at 1:00PM Oct 19, 2019Observed: 2.01 ft at 1:15PM Oct 19, 2019Observed: 1.99 ft at 1:30PM Oct 19, 2019Observed: 1.98 ft at 1:45PM Oct 19, 2019Observed: 1.99 ft at 2:00PM Oct 19, 2019Observed: 2 ft at 2:15PM Oct 19, 2019Observed: 2 ft at 2:30PM Oct 19, 2019Observed: 1.98 ft at 2:45PM Oct 19, 2019Observed: 2.01 ft at 3:00PM Oct 19, 2019Observed: 1.96 ft at 3:15PM Oct 19, 2019Observed: 1.98 ft at 3:30PM Oct 19, 2019Observed: 1.95 ft at 3:45PM Oct 19, 2019Observed: 1.96 ft at 4:00PM Oct 19, 2019Observed: 1.97 ft at 4:15PM Oct 19, 2019Observed: 1.96 ft at 4:30PM Oct 19, 2019Observed: 1.96 ft at 4:45PM Oct 19, 2019Observed: 1.94 ft at 5:00PM Oct 19, 2019Observed: 2 ft at 5:15PM Oct 19, 2019Observed: 1.94 ft at 5:30PM Oct 19, 2019Observed: 1.96 ft at 5:45PM Oct 19, 2019Observed: 1.92 ft at 6:00PM Oct 19, 2019Observed: 1.92 ft at 6:15PM Oct 19, 2019Observed: 1.91 ft at 6:30PM Oct 19, 2019Observed: 1.93 ft at 6:45PM Oct 19, 2019Observed: 1.97 ft at 7:00PM Oct 19, 2019Observed: 1.91 ft at 7:15PM Oct 19, 2019Observed: 1.91 ft at 7:30PM Oct 19, 2019Observed: 1.95 ft at 7:45PM Oct 19, 2019Observed: 1.96 ft at 8:00PM Oct 19, 2019Observed: 1.99 ft at 8:15PM Oct 19, 2019Observed: 1.91 ft at 8:30PM Oct 19, 2019Observed: 1.98 ft at 8:45PM Oct 19, 2019Observed: 1.93 ft at 9:00PM Oct 19, 2019Observed: 1.95 ft at 9:15PM Oct 19, 2019Observed: 1.97 ft at 9:30PM Oct 19, 2019Observed: 1.9 ft at 9:45PM Oct 19, 2019Observed: 1.97 ft at 10:00PM Oct 19, 2019Observed: 1.91 ft at 10:15PM Oct 19, 2019Observed: 1.95 ft at 10:30PM Oct 19, 2019Observed: 1.9 ft at 10:45PM Oct 19, 2019Observed: 1.92 ft at 11:00PM Oct 19, 2019Observed: 1.91 ft at 11:15PM Oct 19, 2019Observed: 1.95 ft at 11:30PM Oct 19, 2019Observed: 1.89 ft at 11:45PM Oct 19, 2019Observed: 1.91 ft at 12:00AM Oct 20, 2019Observed: 1.91 ft at 12:15AM Oct 20, 2019Observed: 1.92 ft at 12:30AM Oct 20, 2019Observed: 1.91 ft at 12:45AM Oct 20, 2019Observed: 1.91 ft at 1:00AM Oct 20, 2019Observed: 1.89 ft at 1:15AM Oct 20, 2019Observed: 1.93 ft at 1:30AM Oct 20, 2019Observed: 1.92 ft at 1:45AM Oct 20, 2019Observed: 1.91 ft at 2:00AM Oct 20, 2019Observed: 1.91 ft at 2:15AM Oct 20, 2019Observed: 1.92 ft at 2:30AM Oct 20, 2019Observed: 1.95 ft at 2:45AM Oct 20, 2019Observed: 1.94 ft at 3:00AM Oct 20, 2019Observed: 1.96 ft at 3:15AM Oct 20, 2019Observed: 1.93 ft at 3:30AM Oct 20, 2019Observed: 1.91 ft at 3:45AM Oct 20, 2019Observed: 1.94 ft at 4:00AM Oct 20, 2019Observed: 1.92 ft at 4:15AM Oct 20, 2019Observed: 1.91 ft at 4:30AM Oct 20, 2019Observed: 1.93 ft at 4:45AM Oct 20, 2019Observed: 1.91 ft at 5:00AM Oct 20, 2019Observed: 1.92 ft at 5:15AM Oct 20, 2019Observed: 1.94 ft at 5:30AM Oct 20, 2019Observed: 1.95 ft at 5:45AM Oct 20, 2019Observed: 1.98 ft at 6:00AM Oct 20, 2019Observed: 1.95 ft at 6:15AM Oct 20, 2019Observed: 1.88 ft at 6:30AM Oct 20, 2019Observed: 1.92 ft at 6:45AM Oct 20, 2019Observed: 1.96 ft at 7:00AM Oct 20, 2019Observed: 1.96 ft at 7:15AM Oct 20, 2019Observed: 1.91 ft at 7:30AM Oct 20, 2019Observed: 1.93 ft at 7:45AM Oct 20, 2019Observed: 1.92 ft at 8:00AM Oct 20, 2019Observed: 1.9 ft at 8:15AM Oct 20, 2019Observed: 1.91 ft at 8:30AM Oct 20, 2019Observed: 1.91 ft at 8:45AM Oct 20, 2019Observed: 1.91 ft at 9:00AM Oct 20, 2019Observed: 1.93 ft at 9:15AM Oct 20, 2019Observed: 1.93 ft at 9:30AM Oct 20, 2019Observed: 1.92 ft at 9:45AM Oct 20, 2019Observed: 1.92 ft at 10:00AM Oct 20, 2019Observed: 1.96 ft at 10:15AM Oct 20, 2019Observed: 1.93 ft at 10:30AM Oct 20, 2019Observed: 1.91 ft at 10:45AM Oct 20, 2019Observed: 1.9 ft at 11:00AM Oct 20, 2019Observed: 1.91 ft at 11:15AM Oct 20, 2019Observed: 1.94 ft at 11:30AM Oct 20, 2019Observed: 1.94 ft at 11:45AM Oct 20, 2019Observed: 1.9 ft at 12:00PM Oct 20, 2019Observed: 1.93 ft at 12:15PM Oct 20, 2019Observed: 1.91 ft at 12:30PM Oct 20, 2019Observed: 1.92 ft at 12:45PM Oct 20, 2019Observed: 1.93 ft at 1:00PM Oct 20, 2019Observed: 1.93 ft at 1:15PM Oct 20, 2019Observed: 1.93 ft at 1:30PM Oct 20, 2019Observed: 1.89 ft at 1:45PM Oct 20, 2019Observed: 1.9 ft at 2:00PM Oct 20, 2019Observed: 1.86 ft at 2:15PM Oct 20, 2019Observed: 1.87 ft at 2:30PM Oct 20, 2019Observed: 1.85 ft at 2:45PM Oct 20, 2019Observed: 1.9 ft at 3:00PM Oct 20, 2019Observed: 1.86 ft at 3:15PM Oct 20, 2019Observed: 1.91 ft at 3:30PM Oct 20, 2019Observed: 1.89 ft at 3:45PM Oct 20, 2019Observed: 1.9 ft at 4:00PM Oct 20, 2019Observed: 1.88 ft at 4:15PM Oct 20, 2019Observed: 1.88 ft at 4:30PM Oct 20, 2019Observed: 1.8 ft at 4:45PM Oct 20, 2019Observed: 1.8 ft at 5:00PM Oct 20, 2019Observed: 1.8 ft at 5:15PM Oct 20, 2019Observed: 1.8 ft at 5:30PM Oct 20, 2019Observed: 1.8 ft at 5:45PM Oct 20, 2019Observed: 1.87 ft at 6:00PM Oct 20, 2019Observed: 1.8 ft at 6:15PM Oct 20, 2019Observed: 1.81 ft at 6:30PM Oct 20, 2019Observed: 1.8 ft at 6:45PM Oct 20, 2019Observed: 1.8 ft at 7:00PM Oct 20, 2019Observed: 1.82 ft at 7:15PM Oct 20, 2019Observed: 1.8 ft at 7:30PM Oct 20, 2019Observed: 1.8 ft at 7:45PM Oct 20, 2019Observed: 1.8 ft at 8:00PM Oct 20, 2019Observed: 1.8 ft at 8:15PM Oct 20, 2019Observed: 1.8 ft at 8:30PM Oct 20, 2019Observed: 1.8 ft at 8:45PM Oct 20, 2019Observed: 1.8 ft at 9:00PM Oct 20, 2019Observed: 1.8 ft at 9:15PM Oct 20, 2019Observed: 1.8 ft at 9:30PM Oct 20, 2019Observed: 1.8 ft at 9:45PM Oct 20, 2019Observed: 1.8 ft at 10:00PM Oct 20, 2019Observed: 1.8 ft at 10:15PM Oct 20, 2019Observed: 1.8 ft at 10:30PM Oct 20, 2019Observed: 1.8 ft at 10:45PM Oct 20, 2019Observed: 1.8 ft at 11:00PM Oct 20, 2019Observed: 1.81 ft at 11:15PM Oct 20, 2019Observed: 1.82 ft at 11:30PM Oct 20, 2019Observed: 1.82 ft at 11:45PM Oct 20, 2019Observed: 1.82 ft at 12:00AM Oct 21, 2019Observed: 1.82 ft at 12:15AM Oct 21, 2019Observed: 1.81 ft at 12:30AM Oct 21, 2019Observed: 1.81 ft at 12:45AM Oct 21, 2019Observed: 1.81 ft at 1:00AM Oct 21, 2019Observed: 1.84 ft at 1:15AM Oct 21, 2019Observed: 1.82 ft at 1:30AM Oct 21, 2019Observed: 1.86 ft at 1:45AM Oct 21, 2019Observed: 1.84 ft at 2:00AM Oct 21, 2019Observed: 1.85 ft at 2:15AM Oct 21, 2019Observed: 1.84 ft at 2:30AM Oct 21, 2019Observed: 1.88 ft at 2:45AM Oct 21, 2019Observed: 1.83 ft at 3:00AM Oct 21, 2019Observed: 1.85 ft at 3:15AM Oct 21, 2019Observed: 1.85 ft at 3:30AM Oct 21, 2019Observed: 1.84 ft at 3:45AM Oct 21, 2019Observed: 1.83 ft at 4:00AM Oct 21, 2019Observed: 1.82 ft at 4:15AM Oct 21, 2019Observed: 1.81 ft at 4:30AM Oct 21, 2019Observed: 1.8 ft at 4:45AM Oct 21, 2019Observed: 1.8 ft at 5:00AM Oct 21, 2019Observed: 1.87 ft at 5:15AM Oct 21, 2019Observed: 1.81 ft at 5:30AM Oct 21, 2019Observed: 1.81 ft at 5:45AM Oct 21, 2019Observed: 1.81 ft at 6:00AM Oct 21, 2019Observed: 1.8 ft at 6:15AM Oct 21, 2019Observed: 1.8 ft at 6:30AM Oct 21, 2019Observed: 1.8 ft at 6:45AM Oct 21, 2019Observed: 1.8 ft at 7:00AM Oct 21, 2019Observed: 1.8 ft at 7:15AM Oct 21, 2019Observed: 1.8 ft at 7:30AM Oct 21, 2019Observed: 1.8 ft at 7:45AM Oct 21, 2019Observed: 1.8 ft at 8:00AM Oct 21, 2019Observed: 1.8 ft at 8:15AM Oct 21, 2019Observed: 1.8 ft at 8:30AM Oct 21, 2019Observed: 1.79 ft at 8:45AM Oct 21, 2019Observed: 1.79 ft at 9:00AM Oct 21, 2019Observed: 1.8 ft at 9:15AM Oct 21, 2019Observed: 1.8 ft at 9:30AM Oct 21, 2019Observed: 1.79 ft at 9:45AM Oct 21, 2019Observed: 1.79 ft at 10:00AM Oct 21, 2019Observed: 1.79 ft at 10:15AM Oct 21, 2019Observed: 1.79 ft at 10:30AM Oct 21, 2019Observed: 1.79 ft at 10:45AM Oct 21, 2019Observed: 1.79 ft at 11:00AM Oct 21, 2019Observed: 1.8 ft at 11:15AM Oct 21, 2019Observed: 1.8 ft at 11:30AM Oct 21, 2019Observed: 1.79 ft at 11:45AM Oct 21, 2019Observed: 1.79 ft at 12:00PM Oct 21, 2019Observed: 1.79 ft at 12:15PM Oct 21, 2019Observed: 1.79 ft at 12:30PM Oct 21, 2019Observed: 1.78 ft at 12:45PM Oct 21, 2019Observed: 1.78 ft at 1:00PM Oct 21, 2019Observed: 1.78 ft at 1:15PM Oct 21, 2019Observed: 1.78 ft at 1:30PM Oct 21, 2019Observed: 1.78 ft at 1:45PM Oct 21, 2019Observed: 1.77 ft at 2:00PM Oct 21, 2019Observed: 1.77 ft at 2:15PM Oct 21, 2019USGS--Water Resources of the United StatesTIDT2(plotting HGIRG) Graph Created (2:32PM Oct 21, 2019)ObservedLatest observed value: 1.77 ft at 2:15 PM CDT 21-Oct-2019. Flood Stage is 22 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
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
KML Image
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:
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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
Corpus Christi Weather Forecast Office
426 Pinson Drive
Corpus Christi, TX 78406-1803
(361) 289-0959
Ask Questions/Webmaster
Page last modified: 1-Mar-2019 12:34 AM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities