# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-27 23:21:26 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 08158600 Walnut Ck at Webberville Rd, 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 08158600 1919-00-00 22.00 5,Bm USGS 08158600 1935-06-15 24.00 1,5 USGS 08158600 1946-12-13 19:45 27.54 USGS 08158600 1966-08-11 2750 C 14.68 USGS 08158600 1967-09-04 303 C 7.27 USGS 08158600 1968-01-21 5640 C 18.30 USGS 08158600 1969-02-14 1050 C 10.02 USGS 08158600 1970-05-15 6020 C 23.69 USGS 08158600 1970-10-23 3740 C 18.05 USGS 08158600 1972-06-16 4580 C 20.12 USGS 08158600 1973-09-27 5140 C 19.05 USGS 08158600 1973-10-11 10400 C 25.56 USGS 08158600 1974-11-23 12600 C 26.16 USGS 08158600 1976-05-26 5140 C 19.07 USGS 08158600 1977-04-20 2520 C 14.04 USGS 08158600 1978-06-07 1760 C 12.16 USGS 08158600 1979-05-21 12400 C 26.02 USGS 08158600 1980-09-25 3400 C 15.92 USGS 08158600 1981-05-25 14300 C 27.24 USGS 08158600 1982-05-13 9540 C 25.10 USGS 08158600 1983-05-11 3100 C 15.31 USGS 08158600 1984-07-24 916 C 9.56 USGS 08158600 1984-10-21 5590 C 19.78 USGS 08158600 1986-05-17 4840 C 18.52 USGS 08158600 1987-05-29 9660 C 25.23 USGS 08158600 1988-06-03 2890 C 15.23 USGS 08158600 1989-05-17 5410 C 20.26 USGS 08158600 1990-05-03 4200 C 18.06 USGS 08158600 1991-08-15 6860 C 22.65 USGS 08158600 1991-12-20 10200 C 26.99 USGS 08158600 1993-06-26 2690 C 14.42 USGS 08158600 1994-09-08 7410 C 22.59 USGS 08158600 1994-10-08 8630 C 24.23 USGS 08158600 1996-08-24 7030 C 22.72 USGS 08158600 1997-06-09 4490 C 18.48 USGS 08158600 1997-12-20 5150 C 19.64 USGS 08158600 1999-05-18 9640 C 25.40 USGS 08158600 2000-05-02 2040 C 12.97 USGS 08158600 2001-08-26 4640 C 17.64 USGS 08158600 2002-07-02 9390 C 25.14 USGS 08158600 2003-02-20 4350 C 16.98 USGS 08158600 2004-06-09 4620 C 17.59 USGS 08158600 2004-11-22 7530 C 23.08 USGS 08158600 2006-03-20 4940 C 18.38 USGS 08158600 2007-01-13 11:05 16400 C 26.30 USGS 08158600 2008-04-18 01:20 1320 C 9.90 USGS 08158600 2009-09-22 06:45 3470 C 14.15 USGS 08158600 2010-09-08 00:40 8790 C 21.43 USGS 08158600 2011-05-12 10:55 2140 C 11.22 USGS 08158600 2012-01-25 06:35 7010 C 19.24 USGS 08158600 2013-09-29 02:10 7600 C 23.17 USGS 08158600 2013-10-31 06:20 10400 C 26.31 USGS 08158600 2015-05-25 18:20 11600 C 27.54 USGS 08158600 2015-10-30 12:30 8590 C 24.29 USGS 08158600 2017-08-27 03:05 2800 C 12.76 USGS 08158600 2018-03-28 05:55 4180 C 16.78 USGS 08158600 2019-05-03 20:45 4560 C 17.85 USGS 08158600 2020-06-23 12:05 3220 C 13.73 USGS 08158600 2021-05-01 17:20 3140 C 13.50 USGS 08158600 2022-08-22 17:40 3590 C 14.87 USGS 08158600 2023-04-21 02:10 5810 C 20.44