# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-06-02 13:43:15 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 08178100 San Pedro Ck at Santa Rosa 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 08178100 1973-09-27 647.36 USGS 08178100 1974-08-08 646.77 USGS 08178100 1975-05-08 645.35 USGS 08178100 1976-05-07 643.77 USGS 08178100 1977-04-19 646.13 USGS 08178100 1978-09-13 644.64 USGS 08178100 1979-04-29 645.07 USGS 08178100 1980-05-15 643.43 USGS 08178100 1981-06-13 643.10 USGS 08178100 1981-10-07 644.31 USGS 08178100 1983-09-19 644.79 USGS 08178100 1984-08-15 640.50 USGS 08178100 1984-10-07 647.07 USGS 08178100 1986-06-04 647.61 USGS 08178100 1987-06-11 645.62 USGS 08178100 1988-07-21 645.78 USGS 08178100 1989-06-14 643.59 USGS 08178100 1990-07-16 648.38 USGS 08178100 1991-01-18 643.22 USGS 08178100 1992-08-03 639.43 USGS 08178100 1993-05-05 639.76 USGS 08178100 1994-05-13 639.06 USGS 08178100 1994-10-08 638.99 USGS 08178100 1996-08-31 638.30 USGS 08178100 1997-04-02 638.06 USGS 08178100 1997-12-10 637.91 USGS 08178100 1998-10-17 639.48 USGS 08178100 2001-05-04 638.96 USGS 08178100 2001-11-15 639.95 USGS 08178100 2003-07-05 639.18 USGS 08178100 2004-04-24 638.47 USGS 08178100 2004-11-22 639.61 USGS 08178100 2006-05-05 637.99 USGS 08178100 2007-08-16 638.49 USGS 08178100 2008-08-19 638.35 USGS 08178100 2009-02-10 637.89 USGS 08178100 2010-05-14 638.60 USGS 08178100 2010-12-24 16:15 638.44 USGS 08178100 2012-05-10 20:45 639.54 USGS 08178100 2013-05-25 641.45