# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-18 12:05:41 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 02042300 HORSEPEN 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 02042300 1965-07-25 490 C 3.30 USGS 02042300 1966-07-30 445 C 3.15 USGS 02042300 1967-08-23 415 C 3.05 USGS 02042300 1968-08-02 497 C 3.32 USGS 02042300 1969-07-22 1550 C 5.70 USGS 02042300 1970-07-04 650 C 3.75 USGS 02042300 1971-07-31 710 C 3.90 USGS 02042300 1972-05-31 750 C 4.00 USGS 02042300 1973-06-22 1310 C 5.22 USGS 02042300 1974-09-06 508 C 3.35 USGS 02042300 1975-07-14 1480 C 5.55 USGS 02042300 1976-06-17 475 C 3.25 USGS 02042300 1977-04-05 1020 C 4.60 USGS 02042300 1978-08-31 818 C 4.15 USGS 02042300 1979-09-30 1790 C 6.17 USGS 02042300 1980-07-23 1090 C 4.75 USGS 02042300 1981-05-11 322 C 2.74 USGS 02042300 1981-12-15 876 C 4.28 USGS 02042300 1982-12-12 616 C 3.66 USGS 02042300 1984-03-29 840 C 4.20 USGS 02042300 1985-08-18 2700 C 7.50 USGS 02042300 1986-07-23 795 C 3.96 USGS 02042300 1987-04-16 740 C 3.81 USGS 02042300 1988-07-23 590 C 3.68 USGS 02042300 1989-05-05 730 C 3.79 USGS 02042300 1990-05-29 1810 C 6.22 USGS 02042300 1991-06-22 1220 C 4.91 USGS 02042300 1992-03-07 840 C 4.08 USGS 02042300 1993-03-13 635 C 3.54 USGS 02042300 1993-11-28 1250 C 4.98 USGS 02042300 1994-11-21 700 C 3.71