# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-08 00:00:28 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 08104700 N Fk San Gabriel Rv nr Georgetown, 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 08104700 1921-09-00 39.50 5,Bd USGS 08104700 1957-04-00 34.50 5,Bd USGS 08104700 1969-04-12 11700 14.84 USGS 08104700 1970-05-28 7160 11.69 USGS 08104700 1971-07-30 6460 11.15 USGS 08104700 1971-10-20 3560 8.83 USGS 08104700 1973-07-15 10400 14.02 USGS 08104700 1974-09-17 35000 26.20 USGS 08104700 1974-10-31 30100 24.10 USGS 08104700 1976-04-29 6850 11.50 USGS 08104700 1977-04-16 2560 8.24 USGS 08104700 1978-02-13 42.0 4.77 USGS 08104700 1979-07-06 2930 5 9.01 USGS 08104700 1980-07-23 1920 6 7.85 USGS 08104700 1981-06-10 5400 6 11.37 USGS 08104700 1981-10-15 814 6 7.07 USGS 08104700 1983-05-23 1000 6 7.23 USGS 08104700 1984-06-06 192 6 5.55 USGS 08104700 1985-03-22 1200 6 7.77 USGS 08104700 1986-02-12 3260 6 10.16 USGS 08104700 1987-07-06 1390 6 8.34 USGS 08104700 1987-11-25 572 6 7.09 USGS 08104700 1989-05-23 667 6 7.27 USGS 08104700 1990-03-14 92.0 6 5.41 USGS 08104700 1991-04-13 547 6 7.24 USGS 08104700 1992-03-04 6070 6 13.05 USGS 08104700 1993-06-29 1530 6 8.52 USGS 08104700 1994-03-15 38.0 6 4.93 USGS 08104700 1995-04-06 277 6 6.48 USGS 08104700 1996-09-18 712 6 7.35 USGS 08104700 1997-06-08 1740 6 9.11 USGS 08104700 1998-03-17 1860 6 9.24 USGS 08104700 1998-12-13 1370 6 8.67 USGS 08104700 2000-03-22 32.0 6 5.48 USGS 08104700 2001-03-04 509 6 7.19 USGS 08104700 2002-07-08 1060 6 8.44 USGS 08104700 2003-02-24 1210 6 8.67 USGS 08104700 2004-06-09 121 6 5.80 USGS 08104700 2004-12-17 1560 6 9.50 USGS 08104700 2006-07-04 173 6 6.15 USGS 08104700 2007-07-07 2450 6 10.19 USGS 08104700 2008-05-15 55.0 6 5.17 USGS 08104700 2009-09-12 20:15 1360 6 8.90 USGS 08104700 2010-09-08 7330 6 14.15 USGS 08104700 2010-10-25 15:15 13.0 6 4.75 USGS 08104700 2012-03-20 07:15 29.0 6 5.07 USGS 08104700 2013-01-09 04:45 3.00 6 4.67 USGS 08104700 2013-11-22 03:00 17.0 6 4.86 USGS 08104700 2015-06-24 15:45 478 6 7.96 USGS 08104700 2016-05-02 20:45 1500 6 9.89 USGS 08104700 2017-02-17 09:45 201 6 6.51 USGS 08104700 2018-09-22 05:30 38.5 6 5.40 USGS 08104700 2019-01-09 15:00 1310 6 9.12 USGS 08104700 2020-03-11 10:45 17.8 6 4.79 USGS 08104700 2021-05-01 18:30 57.6 6 5.39 USGS 08104700 2021-10-13 23:45 96.8 6 5.70 USGS 08104700 2023-03-06 10:45 17.9 6 4.91