USGS Current Conditions for USGS 08171400 San Marcos Rv nr Martindale, TX x

USGS 08171400 San Marcos Rv nr Martindale, TX

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Guadalupe-Blanco River Authority

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Retransmission, forecasts and summary by the National Weather Service

This station managed by the San Antonio Field Unit.

Available Parameters	Available Period
All 3 Available Parameters for this site
00060 Discharge	2011-05-19	2026-01-30
00065 Gage height	2011-05-19	2026-01-30
72192 Precipitation, cumul	2024-07-11	2026-01-30

Days (7)

-- or --
Begin date

End date

Summary of all available data for this site
Instantaneous-data availability statement

Most recent instantaneous value: 86.7 01-30-2026 06:45 CST

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**Daily discharge, cubic feet per second -- statistics for Jan 30 based on 14 water years of record more**
Most Recent Instantaneous Value Jan 30	Min (2023)	25th percen- tile	Median	Mean	75th percen- tile	Max (2019)
86.7	93.2	137	180	221	262	556

Most recent instantaneous value: 7.29 01-30-2026 06:45 CST

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Most recent instantaneous value: 22.46 01-30-2026 06:45 CST

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U.S. Department of the Interior | U.S. Geological Survey
Title: USGS Current Conditions for the Nation
URL: https://waterdata.usgs.gov/nwis/uv?

Page Contact Information: Texas Water Data Support Team
Page Last Modified: 2026-01-30 08:00:08 EST
3.43 2.71 sdww02