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	2026-02-23
00065 Gage height	2011-05-19	2026-02-23
72192 Precipitation, cumul	2024-07-11	2026-02-23

Days (7)

-- or --
Begin date

End date

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

Most recent instantaneous value: 94.5 02-23-2026 20:45 CST

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**Daily discharge, cubic feet per second -- statistics for Feb 23 based on 14 water years of record more**
Min (2023)	Most Recent Instantaneous Value Feb 23	25th percen- tile	Median	Mean	75th percen- tile	Max (2017)
85.7	94.5	130	172	222	285	592

Most recent instantaneous value: 7.32 02-23-2026 20:45 CST

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Most recent instantaneous value: 22.95 02-23-2026 20:45 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: 2026-02-23 22:27:06 EST
1.51 1.16 caww01