# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-06-10 17:59:59 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 08177900 San Antonio Rv at Navarro St, San Antonio, 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 08177900 1973-09-27 642.77 USGS 08177900 1974-08-08 639.31 USGS 08177900 1974-11-24 637.61 USGS 08177900 1976-05-20 638.01 USGS 08177900 1977-04-19 637.35 USGS 08177900 1978-09-13 639.19 USGS 08177900 1979-06-01 638.24 USGS 08177900 1980-05-15 634.89 USGS 08177900 1981-06-14 637.46 USGS 08177900 1981-10-07 636.62 USGS 08177900 1983-09-18 638.78 USGS 08177900 1984-08-15 633.59 USGS 08177900 1985-07-03 637.26 USGS 08177900 1986-06-04 642.21 USGS 08177900 1987-06-03 638.86 USGS 08177900 1988-07-21 636.00 USGS 08177900 1989-06-14 636.09 USGS 08177900 1990-07-16 641.83 USGS 08177900 1991-01-18 638.24 USGS 08177900 1992-08-03 642.08 USGS 08177900 1993-05-05 638.75 USGS 08177900 1994-05-13 637.33 USGS 08177900 1994-10-08 639.31 USGS 08177900 1996-06-25 634.32 USGS 08177900 1996-11-24 632.57 USGS 08177900 1998-08-22 634.39 USGS 08177900 1998-10-17 643.72 USGS 08177900 2001-08-30 635.59 USGS 08177900 2002-07-01 637.04 USGS 08177900 2003-07-05 634.63 USGS 08177900 2004-06-04 633.74 USGS 08177900 2004-11-22 635.23 USGS 08177900 2006-05-05 633.63 USGS 08177900 2007-08-16 634.60 USGS 08177900 2008-08-20 633.97 USGS 08177900 2009-10-04 634.10 USGS 08177900 2012-01-25 04:45 635.38 USGS 08177900 2013-05-25 635.98