# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-18 01:06:44 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 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 02056650 BACK CREEK NEAR DUNDEE, 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 02056650 1971-05-30 17.50 3 USGS 02056650 1972-06-21 20.00 3 USGS 02056650 1975-03-19 2510 8.69 3 USGS 02056650 1976-05-29 7500 15.00 3 USGS 02056650 1976-10-09 2890 9.31 3 USGS 02056650 1978-04-26 5840 13.27 3 USGS 02056650 1979-09-22 5140 12.42 3 USGS 02056650 1980-04-14 3060 9.60 3 USGS 02056650 1981-06-07 840 5.18 3 USGS 02056650 1982-06-10 1130 5.97 3 USGS 02056650 1983-04-10 3410 10.25 3 USGS 02056650 1984-02-14 1600 7.11 3 USGS 02056650 1985-08-18 5110 12.46 3 USGS 02056650 1985-11-04 20000 25.10 3 USGS 02056650 1987-09-07 6440 15.05 USGS 02056650 1987-11-29 521 5.63 USGS 02056650 1989-07-07 3370 11.41 USGS 02056650 1989-10-02 1100 7.34 USGS 02056650 1991-03-04 1440 8.14 USGS 02056650 1992-04-21 8720 17.20 USGS 02056650 1993-03-04 2540 10.14 USGS 02056650 1994-08-17 1160 7.48 USGS 02056650 1995-06-28 6390 14.97 USGS 02056650 1996-09-06 3890 12.10 USGS 02056650 1997-06-02 1330 7.88 USGS 02056650 1998-02-04 3940 12.16 USGS 02056650 1999-09-05 812 6.56 USGS 02056650 2000-08-01 5640 14.20 USGS 02056650 2001-03-30 868 6.65 USGS 02056650 2002-05-03 562 5.66 USGS 02056650 2003-02-22 3770 11.03 USGS 02056650 2004-09-28 8550 16.31 USGS 02056650 2005-03-28 1930 8.18 USGS 02056650 2006-06-27 4140 11.51 USGS 02056650 2006-11-16 2480 9.13 USGS 02056650 2008-04-28 664 5.51 USGS 02056650 2009-07-23 1250 6.85 USGS 02056650 2009-11-12 3180 10.20 USGS 02056650 2011-04-16 3250 10.47 USGS 02056650 2011-11-29 1950 8.33 USGS 02056650 2013-07-04 4370 11.80 USGS 02056650 2014-02-21 986 6.24 USGS 02056650 2015-09-29 4500 11.97 USGS 02056650 2016-09-30 2310 8.85 USGS 02056650 2016-10-08 02:15 4170 11.55 USGS 02056650 2018-09-17 09:00 4830 12.38 USGS 02056650 2018-10-11 17:30 17000 23.09 USGS 02056650 2020-06-17 12:15 3890 11.19 USGS 02056650 2020-11-12 11:45 2720 9.50 USGS 02056650 2022-05-24 06:30 889 6.03 USGS 02056650 2022-11-11 15:00 1570 7.50