# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-03-29 03:49:57 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 01673800 PO RIVER NEAR SPOTSYLVANIA, 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 01673800 1963-03-13 2200 12.27 USGS 01673800 1964-01-11 960 8.32 USGS 01673800 1965-03-06 1110 8.84 USGS 01673800 1966-02-14 1170 8.95 USGS 01673800 1966-10-20 1020 8.49 USGS 01673800 1968-03-14 1590 10.37 USGS 01673800 1969-08-20 4480 14.00 USGS 01673800 1970-04-03 1180 8.96 USGS 01673800 1971-05-31 2400 11.67 USGS 01673800 1972-06-22 10900 19.03 USGS 01673800 1973-04-28 2780 12.15 USGS 01673800 1973-12-22 2150 11.27 USGS 01673800 1975-09-26 3920 13.52 USGS 01673800 1976-01-02 2100 11.17 USGS 01673800 1976-10-21 1140 8.88 USGS 01673800 1978-01-27 3170 12.73 USGS 01673800 1979-02-26 4380 13.87 USGS 01673800 1979-10-02 3510 12.95 USGS 01673800 1981-05-12 675 6.54 USGS 01673800 1982-02-04 1190 8.36 USGS 01673800 1983-04-16 2930 12.18 USGS 01673800 1984-03-29 3530 6 13.02 USGS 01673800 1985-02-13 920 6 7.50 USGS 01673800 1985-11-05 2110 6 10.67 USGS 01673800 1987-04-17 2300 6 11.08 USGS 01673800 1988-01-21 1360 6 8.83 USGS 01673800 1989-05-07 1740 6 9.83 USGS 01673800 1990-01-02 1700 6 9.73 USGS 01673800 1991-01-13 1810 6 10.01 USGS 01673800 1992-07-24 1430 6 9.05 USGS 01673800 1993-03-05 3760 6 13.31 USGS 01673800 1993-11-28 8070 6 17.10 USGS 01673800 1995-03-10 938 6 7.41 USGS 01673800 1996-01-20 3180 6 12.25 USGS 01673800 1996-10-20 1560 6 9.25 USGS 01673800 1998-03-21 4070 6 13.44 USGS 01673800 1999-03-16 1100 6 8.41 USGS 01673800 2000-04-18 1060 6 8.25 USGS 01673800 2001-03-31 1250 6 8.95 USGS 01673800 2002-04-29 676 6 6.43 USGS 01673800 2003-02-23 3010 6 13.11 USGS 01673800 2003-12-12 2500 6 12.23 USGS 01673800 2005-01-15 1550 6 10.01 USGS 01673800 2006-06-28 1170 6 8.66 USGS 01673800 2007-03-17 2000 6 11.25 USGS 01673800 2008-05-10 3870 6 14.44 USGS 01673800 2009-06-03 4040 6 14.68 USGS 01673800 2009-12-10 1730 6 10.57 2 2009-12-27 10.59 USGS 01673800 2011-05-18 2230 6 11.72 USGS 01673800 2011-12-08 3200 6 13.42 USGS 01673800 2013-05-08 1540 6 10.25 USGS 01673800 2014-05-01 3470 6 13.84 USGS 01673800 2015-09-30 1010 6 8.63 USGS 01673800 2016-02-25 1390 6 9.62 USGS 01673800 2017-05-26 19:45 516 6 6.29 USGS 01673800 2018-06-23 07:30 3600 6 14.64 USGS 01673800 2018-10-12 18:30 2790 6 13.35 USGS 01673800 2020-04-14 12:45 1240 6 9.03 USGS 01673800 2020-11-12 22:30 3990 6 14.62 USGS 01673800 2022-07-14 13:00 720 6 7.00 USGS 01673800 2023-02-14 03:00 1010 6 8.21