# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-18 12:07:50 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 02042400 JORDANS BRANCH AT RICHMOND, 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 02042400 1966-07-30 598 C 8.27 USGS 02042400 1967-08-23 262 C 6.55 USGS 02042400 1968-08-02 881 C 9.27 USGS 02042400 1969-07-22 1650 C 11.20 USGS 02042400 1970-07-04 905 C 9.35 USGS 02042400 1971-07-11 1280 C 10.33 USGS 02042400 1972-06-21 818 C 9.06 USGS 02042400 1973-06-22 1060 C 9.78 USGS 02042400 1974-00-00 638 4,Bm,C 8.43 4,Bm USGS 02042400 1975-07-14 998 C 9.62 USGS 02042400 1976-06-17 689 C 8.63 USGS 02042400 1977-04-05 672 C 8.57 USGS 02042400 1977-10-26 670 C 8.56 USGS 02042400 1979-09-30 2460 C 12.60 USGS 02042400 1980-07-23 1190 C 10.09 USGS 02042400 1981-00-00 638 4,Bm,C 8.43 4,Bm USGS 02042400 1982-07-12 1500 C 10.88 USGS 02042400 1983-00-00 645 4,Bm,C 8.46 4,Bm USGS 02042400 1984-00-00 645 4,Bm,C 8.46 4,Bm USGS 02042400 1985-08-18 2360 C 12.44 USGS 02042400 1986-07-23 770 C 8.90 USGS 02042400 1987-09-11 779 C 8.93 USGS 02042400 1988-07-23 794 C 8.98 USGS 02042400 1989-05-05 710 C 8.70 USGS 02042400 1990-05-29 820 C 9.06 USGS 02042400 1991-06-22 2760 C 13.10 USGS 02042400 1992-08-14 890 C 9.30 USGS 02042400 1993-11-28 1340 C 10.47 USGS 02042400 1994-11-21 683 C 8.61 USGS 02042400 1996-07-13 1130 C 9.94 USGS 02042400 1997-07-24 1900 C 11.67 USGS 02042400 1998-03-19 1340 C 10.48 USGS 02042400 1999-09-16 255 C 6.50 USGS 02042400 2000-01-30 1130 C 9.95 USGS 02042400 2001-06-01 2410 C 12.51 USGS 02042400 2002-05-10 1070 C 9.79 USGS 02042400 2003-09-18 2170 C 12.12 USGS 02042400 2004-08-30 3370 C 13.96 USGS 02042400 2005-01-14 1510 C 10.90 USGS 02042400 2006-09-01 1600 C 11.11