# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-04 20:53:15 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 02042500 CHICKAHOMINY RIVER NEAR PROVIDENCE FORGE, 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 02042500 1942-04-04 760 7.77 USGS 02042500 1943-02-08 1080 8.54 USGS 02042500 1944-03-07 1080 8.53 USGS 02042500 1945-07-21 5750 10.60 USGS 02042500 1945-12-31 1620 9.02 USGS 02042500 1947-04-21 940 8.24 USGS 02042500 1948-05-26 1320 8.64 USGS 02042500 1948-12-04 1320 8.65 USGS 02042500 1949-11-05 1820 9.13 USGS 02042500 1951-03-26 575 7.03 USGS 02042500 1952-05-01 1590 8.93 USGS 02042500 1952-11-25 1820 9.10 USGS 02042500 1954-01-29 767 7.63 USGS 02042500 1955-08-15 7710 11.67 USGS 02042500 1955-10-20 1180 8.38 USGS 02042500 1956-11-04 1700 9.04 USGS 02042500 1957-12-25 1820 9.12 USGS 02042500 1959-08-12 1590 8.86 USGS 02042500 1960-09-13 2500 9.58 USGS 02042500 1961-02-27 1910 9.22 USGS 02042500 1962-01-08 2660 9.73 USGS 02042500 1963-06-05 1650 9.01 USGS 02042500 1964-02-22 980 8.26 USGS 02042500 1965-03-11 780 7.94 USGS 02042500 1966-02-18 740 7.77 USGS 02042500 1967-02-25 631 7.67 USGS 02042500 1968-01-20 1040 8.63 USGS 02042500 1969-07-25 5080 10.79 USGS 02042500 1970-04-04 788 7.92 USGS 02042500 1971-02-14 962 8.27 USGS 02042500 1972-06-25 3440 10.07 USGS 02042500 1973-02-04 1840 9.09 USGS 02042500 1974-09-11 1540 8.86 USGS 02042500 1975-07-17 2880 9.78 USGS 02042500 1976-01-31 1620 9.00 USGS 02042500 1976-10-27 575 7.22 USGS 02042500 1978-01-21 2370 9.37 USGS 02042500 1979-02-27 5490 10.99 USGS 02042500 1979-10-05 2320 9.37 USGS 02042500 1981-06-04 450 6.55 USGS 02042500 1982-03-11 1140 8.44 USGS 02042500 1983-04-17 2080 9.34 USGS 02042500 1984-03-30 3700 10.26 USGS 02042500 1985-08-22 2740 9.76 USGS 02042500 1985-11-08 1870 9.19 USGS 02042500 1987-04-20 2530 9.64 USGS 02042500 1988-05-27 1030 8.27 USGS 02042500 1989-05-08 1230 8.56 USGS 02042500 1990-05-30 1820 9.15 USGS 02042500 1991-03-31 1380 8.73 USGS 02042500 1992-03-11 1750 9.09 USGS 02042500 1993-03-07 2740 9.76 USGS 02042500 1994-03-06 2960 9.88 USGS 02042500 1995-03-11 1040 8.25 USGS 02042500 1996-01-22 2230 9.45 USGS 02042500 1996-10-11 1450 8.84 USGS 02042500 1998-03-22 2880 9.84 USGS 02042500 1999-09-17 5370 10.95 USGS 02042500 2000-04-19 1550 9.00 USGS 02042500 2001-04-03 1590 9.03 USGS 02042500 2002-05-15 418 6.78 USGS 02042500 2003-09-22 4510 10.62 USGS 02042500 2004-09-01 18900 12.58 USGS 02042500 2005-01-18 1120 1,2 USGS 02042500 2006-09-05 2910 9.79 USGS 02042500 2006-11-19 3550 10.04 USGS 02042500 2008-04-24 3070 9.86 USGS 02042500 2008-12-15 1720 9.13 USGS 02042500 2009-11-15 4330 10.32 USGS 02042500 2011-09-09 4690 10.36 USGS 02042500 2012-03-05 1030 8.35 USGS 02042500 2013-03-10 1810 9.07 USGS 02042500 2014-05-03 2670 9.57 USGS 02042500 2015-02-27 974 8.19 USGS 02042500 2016-09-30 3240 9.84 USGS 02042500 2016-10-02 09:00 2770 9.61 USGS 02042500 2018-05-20 23:00 7530 11.29 USGS 02042500 2018-10-15 2790 9.62 USGS 02042500 2020-08-08 05:45 3770 10.25 USGS 02042500 2020-12-18 09:45 1940 9.08 USGS 02042500 2022-01-07 05:37 830 7.83 USGS 02042500 2022-12-20 04:30 887 7.84