# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-21 12:17:19 EST # # ---------------------------------- 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 Texas 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 08156800 Shoal Ck at W 12th St, Austin, 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 08156800 1974-11-23 4800 C 15.00 USGS 08156800 1976-04-18 1670 C 10.08 USGS 08156800 1977-04-15 999 C 8.50 USGS 08156800 1978-05-02 1470 C 9.66 USGS 08156800 1979-05-21 4970 C 15.20 USGS 08156800 1980-05-12 1900 C 10.55 USGS 08156800 1981-05-24 16000 C 23.22 USGS 08156800 1982-05-13 7310 C 12.70 USGS 08156800 1983-08-08 1980 C 10.72 USGS 08156800 1983-10-09 893 C 5.60 USGS 08156800 1984-10-20 2940 C 11.90 USGS 08156800 1985-10-19 2850 C 11.73 USGS 08156800 1987-05-29 6870 C 17.14 USGS 08156800 1987-11-25 1700 C 9.36 USGS 08156800 1989-05-17 3950 C 13.59 USGS 08156800 1990-06-04 1500 C 8.87 USGS 08156800 1991-08-15 3610 C 13.03 USGS 08156800 1991-12-20 7990 C 18.14 USGS 08156800 1993-06-26 2860 C 10.59 USGS 08156800 1994-09-08 2780 C 11.11 USGS 08156800 1994-10-07 4730 C 14.89 USGS 08156800 1996-08-24 3730 C 13.20 USGS 08156800 1997-05-09 2670 C 10.75 USGS 08156800 1997-12-20 2820 C 11.67 USGS 08156800 1998-10-17 5350 C 15.61 USGS 08156800 2000-05-02 1930 C 8.56 USGS 08156800 2001-08-26 5680 C 15.97 USGS 08156800 2001-11-15 8710 C 19.22 USGS 08156800 2002-12-23 1830 C 8.29 USGS 08156800 2004-06-09 4880 C 15.17 USGS 08156800 2004-11-17 6060 C 16.74 USGS 08156800 2006-03-20 4770 C 15.00 USGS 08156800 2007-01-13 09:15 4610 C 14.76 USGS 08156800 2008-03-18 16:40 910 C 6.12 USGS 08156800 2009-09-04 20:05 3570 C 12.86 USGS 08156800 2010-09-08 00:30 6250 C 16.95 USGS 08156800 2011-05-12 11:40 2110 C 9.48 USGS 08156800 2012-01-25 04:30 3950 C 13.65 USGS 08156800 2013-04-02 19:20 3530 C 12.79 USGS 08156800 2014-09-18 03:10 8150 C 18.78 USGS 08156800 2015-05-25 17:40 11000 C 20.76 USGS 08156800 2015-10-30 11:50 5510 C 16.06 USGS 08156800 2017-06-26 21:50 1660 C 8.31 USGS 08156800 2018-09-22 07:20 3570 C 12.86 USGS 08156800 2019-04-06 16:05 5140 C 15.56 USGS 08156800 2020-05-16 01:35 2560 C 10.54 USGS 08156800 2021-05-28 20:35 3210 C 12.07 USGS 08156800 2022-08-22 17:20 5420 C 15.94 USGS 08156800 2023-04-20 22:10 1170 C 6.90