# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-21 21:40:20 EDT # # ---------------------------------- WARNING ---------------------------------------- # Some of the data that you have obtained from this U.S. Geological Survey database # may not have received Director's approval. Any such data values are qualified # as provisional and are subject to revision. Provisional data are released on the # condition that neither the USGS nor the United States Government may be held liable # for any damages resulting from its use. # # More data may be available offline. # For more information on these data, contact USGS Water Data Inquiries. # This file contains the annual peak streamflow data. # # This information includes the following fields: # # agency_cd Agency Code # site_no USGS station number # peak_dt Date of peak streamflow (format YYYY-MM-DD) # peak_tm Time of peak streamflow (24 hour format, 00:00 - 23:59) # peak_va Annual peak streamflow value in cfs # peak_cd Peak Discharge-Qualification codes (see explanation below) # gage_ht Gage height for the associated peak streamflow in feet # gage_ht_cd Gage height qualification codes # year_last_pk Peak streamflow reported is the highest since this year # ag_dt Date of maximum gage-height for water year (if not concurrent with peak) # ag_tm Time of maximum gage-height for water year (if not concurrent with peak # ag_gage_ht maximum Gage height for water year in feet (if not concurrent with peak # ag_gage_ht_cd maximum Gage height code # # Sites in this file include: # USGS 08172000 San Marcos Rv at Luling, TX # # Peak Streamflow-Qualification Codes(peak_cd): # 1 ... Discharge is a Maximum Daily Average # 2 ... Discharge is an Estimate # 3 ... Discharge affected by Dam Failure # 4 ... Discharge less than indicated value, # which is Minimum Recordable Discharge at this site # 5 ... Discharge affected to unknown degree by # Regulation or Diversion # 6 ... Discharge affected by Regulation or Diversion # 7 ... Discharge is an Historic Peak # 8 ... Discharge actually greater than indicated value # 9 ... Discharge due to Snowmelt, Hurricane, # Ice-Jam or Debris Dam breakup # A ... Year of occurrence is unknown or not exact # Bd ... Day of occurrence is unknown or not exact # Bm ... Month of occurrence is unknown or not exact # C ... All or part of the record affected by Urbanization, # Mining, Agricultural changes, Channelization, or other # F ... Peak supplied by another agency # O ... Opportunistic value not from systematic data collection # R ... Revised # # Gage height qualification codes(gage_ht_cd,ag_gage_ht_cd): # 1 ... Gage height affected by backwater # 2 ... Gage height not the maximum for the year # 3 ... Gage height at different site and(or) datum # 4 ... Gage height below minimum recordable elevation # 5 ... Gage height is an estimate # 6 ... Gage datum changed during this year # 7 ... Debris, mud, or hyper-concentrated flow # 8 ... Gage height tidally affected # Bd ... Day of occurrence is unknown or not exact # Bm ... Month of occurrence is unknown or not exact # F ... Peak supplied by another agency # R ... Revised # # agency_cd site_no peak_dt peak_tm peak_va peak_cd gage_ht gage_ht_cd year_last_pk ag_dt ag_tm ag_gage_ht ag_gage_ht_cd 5s 15s 10d 6s 8s 33s 8s 27s 4s 10d 6s 8s 27s USGS 08172000 1869-00-00 40.40 Bm USGS 08172000 1929-05-29 37.10 USGS 08172000 1940-06-30 28800 32.81 USGS 08172000 1940-11-22 15300 30.00 USGS 08172000 1942-07-05 29500 32.93 USGS 08172000 1942-10-18 5190 22.83 USGS 08172000 1944-05-28 7120 26.52 USGS 08172000 1945-03-30 9480 27.97 USGS 08172000 1946-03-13 6160 25.61 USGS 08172000 1946-11-04 10600 28.46 USGS 08172000 1948-05-12 1170 10.00 USGS 08172000 1949-04-25 12500 29.43 USGS 08172000 1949-10-22 17200 30.70 USGS 08172000 1951-06-04 10200 28.58 USGS 08172000 1952-09-12 57000 34.95 USGS 08172000 1953-04-29 27000 32.42 USGS 08172000 1954-05-12 5350 24.69 USGS 08172000 1955-05-19 4020 21.73 USGS 08172000 1956-05-15 2670 18.08 USGS 08172000 1957-04-25 29400 32.70 USGS 08172000 1958-05-03 41400 33.87 USGS 08172000 1959-04-12 7490 26.82 USGS 08172000 1960-06-25 37900 33.56 USGS 08172000 1960-10-29 34800 33.30 USGS 08172000 1961-11-13 4300 5 23.05 USGS 08172000 1962-10-29 1830 5 14.42 USGS 08172000 1963-11-08 1710 5 13.79 USGS 08172000 1965-05-19 10600 5 29.12 USGS 08172000 1965-12-03 7980 5 27.64 USGS 08172000 1967-09-22 7670 5 27.36 USGS 08172000 1968-01-21 24800 5 31.42 USGS 08172000 1968-12-01 4600 5 23.60 USGS 08172000 1970-05-16 32400 5 33.11 USGS 08172000 1970-10-23 2910 5 18.83 USGS 08172000 1972-05-12 44100 5 34.11 USGS 08172000 1973-06-13 7750 5 27.42 USGS 08172000 1973-10-16 12300 5 29.71 USGS 08172000 1975-05-24 41400 5 33.90 USGS 08172000 1976-05-07 14300 5 30.31 USGS 08172000 1977-04-20 16500 5 30.83 USGS 08172000 1978-06-07 2020 5 15.39 USGS 08172000 1979-04-19 5510 5 24.11 USGS 08172000 1980-09-07 6460 5 25.89 USGS 08172000 1981-06-14 54800 5 34.82 USGS 08172000 1981-10-31 9120 5 28.34 USGS 08172000 1983-06-17 4670 5 22.20 USGS 08172000 1983-11-06 680 6 7.06 USGS 08172000 1985-06-07 27400 6 31.47 USGS 08172000 1985-11-24 18000 6 31.24 USGS 08172000 1987-06-04 27000 6 31.41 USGS 08172000 1987-11-26 7160 6 25.73 USGS 08172000 1989-05-18 3010 6 17.00 USGS 08172000 1990-05-04 3250 6 17.84 USGS 08172000 1991-01-18 12600 6 29.04 USGS 08172000 1991-12-22 39500 6 33.65 USGS 08172000 1993-05-06 4820 6 20.45 USGS 08172000 1994-05-15 3160 6 16.09 USGS 08172000 1995-05-31 8970 6 27.12 USGS 08172000 1996-08-26 1400 6 9.98 USGS 08172000 1997-06-23 25200 6 32.65 USGS 08172000 1998-03-17 7400 6 25.33 USGS 08172000 1998-10-18 206000 6 41.85 USGS 08172000 2000-06-11 1090 6 10.42 USGS 08172000 2000-11-04 8540 6 26.67 USGS 08172000 2001-11-16 43700 6 34.83 USGS 08172000 2002-11-05 16400 6 30.98 USGS 08172000 2004-06-30 12700 6 28.26 USGS 08172000 2004-11-22 22:15 84800 6 37.17 USGS 08172000 2005-10-11 17:00 1210 6 8.92 USGS 08172000 2007-03-12 08:30 25900 6 31.72 USGS 08172000 2008-08-16 18:15 711 6 6.87 USGS 08172000 2009-04-18 12:15 4800 6 18.38 USGS 08172000 2010-06-10 01:30 13700 6 27.66 USGS 08172000 2010-11-01 23:45 549 6 6.30 USGS 08172000 2012-01-25 16:00 34700 6 32.60 USGS 08172000 2013-09-29 15:45 7590 6 22.50 USGS 08172000 2013-10-31 22:00 48200 6 34.47 USGS 08172000 2015-05-24 19:15 74800 2,6 36.55 USGS 08172000 2015-10-31 02:45 71000 6 36.30 USGS 08172000 2017-08-27 18:30 19300 6 30.09 USGS 08172000 2018-03-29 11:00 7960 6 22.94 USGS 08172000 2018-12-08 12:45 8500 6 23.55 USGS 08172000 2020-05-26 09:30 2450 6 12.32 USGS 08172000 2021-05-02 02:00 4040 6 16.71 USGS 08172000 2021-10-14 22:30 20400 6 30.48 USGS 08172000 2023-04-21 07:00 1150 6 8.10