# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-17 23:49:52 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 01660400 AQUIA CREEK NEAR GARRISONVILLE, 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 01660400 1972-06-22 11600 16.32 USGS 01660400 1973-04-27 1740 6.09 USGS 01660400 1973-12-21 970 4.60 USGS 01660400 1975-09-26 6980 12.08 USGS 01660400 1975-12-31 1270 5.23 USGS 01660400 1976-10-20 995 4.66 USGS 01660400 1978-01-26 1850 6.34 USGS 01660400 1979-02-26 1970 6.46 USGS 01660400 1979-10-02 1970 6.50 USGS 01660400 1981-08-30 1890 6.36 USGS 01660400 1982-02-03 734 4.00 USGS 01660400 1983-04-15 1750 6.13 USGS 01660400 1984-03-29 1780 6.18 USGS 01660400 1985-02-12 919 4.42 USGS 01660400 1985-11-28 1010 4.61 USGS 01660400 1987-04-16 1260 5.17 USGS 01660400 1988-01-20 956 4.50 USGS 01660400 1989-05-06 6240 11.40 USGS 01660400 1990-05-29 879 4.33 USGS 01660400 1990-10-23 1600 5.86 USGS 01660400 1992-09-03 1280 5.21 USGS 01660400 1993-03-04 1920 6.41 USGS 01660400 1993-11-28 3750 8.76 USGS 01660400 1995-03-09 692 3.90 USGS 01660400 1996-01-19 2070 6.72 USGS 01660400 1996-10-19 1210 5.15 USGS 01660400 2001-03-21 944 4.58 USGS 01660400 2002-05-28 492 3.39 USGS 01660400 2003-02-22 1690 6.09 USGS 01660400 2003-12-11 1940 6.51 USGS 01660400 2005-01-14 1370 5.49 USGS 01660400 2005-10-08 769 4.16 USGS 01660400 2006-11-16 1160 5.02 USGS 01660400 2008-05-12 2700 7.68 USGS 01660400 2009-05-07 942 4.58 USGS 01660400 2009-12-09 1150 5.04 USGS 01660400 2011-09-09 1760 6.19 USGS 01660400 2011-12-07 1950 6.33 USGS 01660400 2013-06-11 1170 4.85 USGS 01660400 2014-04-30 2350 6.99 USGS 01660400 2015-06-27 1660 5.81 USGS 01660400 2016-02-24 2070 6.54 USGS 01660400 2017-07-06 06:30 2190 6.73 USGS 01660400 2018-07-25 21:22 3400 8.50 USGS 01660400 2018-10-11 23:30 1780 6.03 2 2018-12-15 2330 6.10 USGS 01660400 2020-04-13 10:00 1710 6.05 USGS 01660400 2020-11-12 05:45 2160 6.65 USGS 01660400 2022-05-07 10:15 765 4.06