# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-06-01 04:26:15 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 02011470 BACK CREEK AT SUNRISE, 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 02011470 1985-05-03 2360 6 7.81 USGS 02011470 1985-11-05 5100 6 11.37 USGS 02011470 1987-04-16 2530 6 8.04 USGS 02011470 1988-01-20 1680 6 6.93 USGS 02011470 1989-04-26 3980 6 9.98 USGS 02011470 1989-12-31 2740 6 8.33 USGS 02011470 1991-03-23 3090 6 8.79 USGS 02011470 1992-04-22 3430 6 9.25 USGS 02011470 1993-03-24 3890 6 9.86 USGS 02011470 1994-05-08 4430 6 10.55 USGS 02011470 1995-01-15 4420 6 10.60 USGS 02011470 1996-01-19 5690 6 11.99 USGS 02011470 1996-12-02 3080 6 8.97 USGS 02011470 1998-01-08 3990 6 9.96 USGS 02011470 1999-01-24 1140 6 6.16 USGS 02011470 2000-02-19 2930 6 8.53 USGS 02011470 2001-05-22 2500 6 7.92 USGS 02011470 2002-04-28 3050 6 8.69 USGS 02011470 2003-02-22 3410 6 9.19 USGS 02011470 2003-11-19 5820 6 12.22 USGS 02011470 2005-03-24 1680 6 6.71 USGS 02011470 2006-06-27 3090 6 8.64 USGS 02011470 2007-03-02 4430 6 10.41 USGS 02011470 2008-03-05 4640 6 10.67 USGS 02011470 2009-05-03 1710 6 6.64 USGS 02011470 2010-01-25 4020 6 9.87 USGS 02011470 2011-03-06 3740 6 9.50 USGS 02011470 2011-12-07 3330 6 8.96 USGS 02011470 2013-01-31 3090 6 8.64 USGS 02011470 2014-05-16 3120 6 8.68 USGS 02011470 2015-03-11 2260 6 7.71 USGS 02011470 2016-09-30 2510 6 7.99 USGS 02011470 2017-05-25 21:15 1810 6 7.21 USGS 02011470 2018-04-16 11:00 4260 6 9.89 USGS 02011470 2018-12-21 19:15 1630 6 6.91 USGS 02011470 2020-04-30 10:30 2510 6 7.95 USGS 02011470 2021-03-01 00:15 4400 6 10.04 USGS 02011470 2022-05-07 07:45 3640 6 9.22