# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-08 09:15:12 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 02054530 ROANOKE RIVER AT GLENVAR, VA # # 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 02054530 1992-04-21 19800 17.73 USGS 02054530 1993-03-24 12300 13.46 USGS 02054530 1993-12-05 9500 11.76 USGS 02054530 1995-01-15 10200 12.22 USGS 02054530 1996-09-06 15900 15.59 USGS 02054530 1996-12-01 8020 10.93 USGS 02054530 1998-03-20 11400 12.93 USGS 02054530 1999-09-05 5050 8.88 USGS 02054530 2000-04-18 6540 9.96 USGS 02054530 2001-03-30 3820 7.81 USGS 02054530 2002-05-03 6450 9.90 USGS 02054530 2003-02-22 19600 17.61 USGS 02054530 2004-09-28 19200 17.43 USGS 02054530 2005-03-28 6050 9.62 USGS 02054530 2006-06-27 20:30 12000 13.30 USGS 02054530 2006-11-16 3790 7.78 USGS 02054530 2008-04-28 3040 7.05 USGS 02054530 2009-05-15 3540 7.55 USGS 02054530 2009-11-12 11500 12.99 USGS 02054530 2011-03-06 5470 9.20 USGS 02054530 2011-11-29 6610 10.01 USGS 02054530 2013-01-31 16400 15.85 USGS 02054530 2014-02-21 3760 8.17 USGS 02054530 2015-09-29 17600 16.53 USGS 02054530 2015-11-19 7030 10.29 USGS 02054530 2017-04-24 12:45 8310 11.40 USGS 02054530 2018-09-17 13:15 12200 13.43 USGS 02054530 2018-10-11 22:00 18600 17.10 USGS 02054530 2020-05-21 19:00 13400 14.14 USGS 02054530 2020-11-12 15:45 14600 14.84 USGS 02054530 2022-05-24 11:15 3870 7.85 USGS 02054530 2023-02-13 02:30 5190 8.99