# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-10-06 08:39:26 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 08206600 Frio Rv at Tilden, 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 08206600 1932-00-00 38.44 Bm USGS 08206600 1979-06-11 6790 24.13 USGS 08206600 1980-05-19 12600 26.35 USGS 08206600 1981-06-17 8400 2 24.43 5 USGS 08206600 1981-10-11 4230 21.52 USGS 08206600 1982-10-12 2790 19.79 USGS 08206600 1983-10-09 159 4.77 USGS 08206600 1985-09-29 11800 26.73 USGS 08206600 1985-10-22 4140 21.43 USGS 08206600 1987-06-09 20900 29.18 USGS 08206600 1988-07-12 1580 15.44 USGS 08206600 1989-03-23 476 7.90 USGS 08206600 1990-07-22 7620 23.90 USGS 08206600 1991-09-23 1910 16.56 USGS 08206600 1991-12-27 12000 26.17 USGS 08206600 1992-11-22 923 12.34 USGS 08206600 1994-06-15 2060 17.02 USGS 08206600 1995-09-28 784 10.91 USGS 08206600 1996-09-02 1890 16.49 USGS 08206600 1997-06-28 20800 29.56 USGS 08206600 1998-08-29 8520 24.44 USGS 08206600 1998-10-24 9160 24.80 USGS 08206600 2000-03-15 719 10.15 USGS 08206600 2000-11-12 2000 16.80 USGS 08206600 2002-07-10 33000 30.29 USGS 08206600 2003-07-12 7300 23.88 USGS 08206600 2004-08-27 9750 26.33 USGS 08206600 2004-11-19 22:45 2360 18.81 2 2004-11-20 0045 18.83 USGS 08206600 2006-09-25 00:15 154 4.75 2 2006-07-05 1130 4.89 USGS 08206600 2007-07-28 09:30 15200 27.10 USGS 08206600 2008-03-16 16:45 98.0 4.49 USGS 08206600 2009-09-16 20:30 716 10.14 USGS 08206600 2010-04-18 10:00 3320 19.55 USGS 08206600 2011-01-09 2.70 2.10 USGS 08206600 2012-05-11 06:15 1390 13.82 USGS 08206600 2012-10-07 00:30 588 9.23 USGS 08206600 2013-10-17 12:30 1930 16.50 USGS 08206600 2015-05-31 05:00 8390 25.14 USGS 08206600 2016-08-23 3600 21.11 USGS 08206600 2016-10-02 09:30 525 9.29 USGS 08206600 2018-09-22 19:45 4670 22.33 USGS 08206600 2018-10-22 13:15 4310 21.95 USGS 08206600 2020-09-10 15:00 133 5.36 USGS 08206600 2021-06-05 08:15 6640 23.85 USGS 08206600 2022-08-19 05:45 786 12.19 USGS 08206600 2023-04-06 16:30 957 13.52