# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-11 17:10:40 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 01673550 TOTOPOTOMOY CREEK NEAR STUDLEY, 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 01673550 1978-01-26 296 7.38 USGS 01673550 1979-02-25 640 8.77 USGS 01673550 1980-01-19 236 6.26 USGS 01673550 1981-05-11 166 5.55 USGS 01673550 1982-08-08 191 5.81 USGS 01673550 1983-04-16 350 7.30 USGS 01673550 1984-03-29 689 8.20 USGS 01673550 1985-08-19 802 8.22 USGS 01673550 1985-11-05 448 7.09 USGS 01673550 1987-04-17 610 7.65 USGS 01673550 1988-05-22 263 6.17 USGS 01673550 1989-03-25 145 5.03 USGS 01673550 1990-05-30 226 5.87 USGS 01673550 1991-03-30 205 5.68 USGS 01673550 1992-03-08 553 7.46 USGS 01673550 1993-03-05 610 7.65 USGS 01673550 1994-03-03 568 7.79 USGS 01673550 1994-11-21 182 5.11 USGS 01673550 1996-01-20 299 6.27 USGS 01673550 1996-10-10 312 6.39 USGS 01673550 1998-01-29 585 7.83 USGS 01673550 1999-09-16 1620 9.46 USGS 01673550 2000-04-18 229 5.62 USGS 01673550 2001-08-13 363 6.81 USGS 01673550 2002-05-10 121 4.35 USGS 01673550 2003-09-19 1170 8.87 USGS 01673550 2004-08-31 11300 16.37 USGS 01673550 2005-01-15 473 6.40 USGS 01673550 2006-09-02 791 7.29 USGS 01673550 2007-01-02 890 7.96 USGS 01673550 2008-04-21 131 4.35 USGS 01673550 2009-06-05 96.0 3.84 USGS 01673550 2010-03-29 615 7.19 USGS 01673550 2011-09-08 23:45 1250 8.60 USGS 01673550 2011-11-17 115 1,2 USGS 01673550 2013-06-10 662 7.48 USGS 01673550 2014-05-01 425 6.87 USGS 01673550 2015-02-22 128 3.89 USGS 01673550 2016-09-29 526 7.15 USGS 01673550 2016-10-09 19:15 369 6.65 USGS 01673550 2018-06-03 10:15 889 7.96 USGS 01673550 2018-10-12 08:30 1030 8.22 USGS 01673550 2020-08-16 11:45 1560 8.29 USGS 01673550 2021-06-11 08:45 1340 7.93 USGS 01673550 2022-01-17 13:45 171 3.66 USGS 01673550 2023-09-24 22:00 265 4.67