# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-03-29 09:33:18 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 02025500 JAMES RIVER AT HOLCOMB ROCK, 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 02025500 1900-03-21 29000 11.30 3 USGS 02025500 1901-04-21 52000 16.50 3 USGS 02025500 1902-03-01 78000 21.00 3 USGS 02025500 1903-03-24 53000 16.60 3 USGS 02025500 1904-05-19 31000 11.80 3 USGS 02025500 1905-07-13 58000 17.70 3 USGS 02025500 1906-01-24 28000 11.00 3 USGS 02025500 1906-10-20 69000 19.50 3 USGS 02025500 1908-01-13 70000 19.60 3 USGS 02025500 1909-04-14 58000 17.50 3 USGS 02025500 1910-06-14 50000 15.90 3 USGS 02025500 1911-01-31 32000 12.00 3 USGS 02025500 1912-03-30 55000 17.00 3 USGS 02025500 1913-03-28 118000 31.30 3 USGS 02025500 1914-02-01 25000 10.20 3 USGS 02025500 1915-01-07 78000 21.00 3 USGS 02025500 1915-12-30 26000 10.50 3 USGS 02025500 1917-03-05 53000 16.60 3 USGS 02025500 1926-00-00 12:00 31000 2,Bm USGS 02025500 1926-12-27 45000 2 14.50 3 USGS 02025500 1928-08-00 13:00 65000 2,Bd USGS 02025500 1929-03-01 37300 2 12.83 3 USGS 02025500 1929-11-19 46800 2 14.92 3 USGS 02025500 1931-03-30 14600 2 7.29 3 USGS 02025500 1932-02-05 38700 17.90 USGS 02025500 1932-10-17 45300 19.42 USGS 02025500 1934-03-29 37800 17.66 USGS 02025500 1935-01-23 86300 26.61 USGS 02025500 1936-03-18 115000 30.78 USGS 02025500 1937-01-21 53100 21.15 USGS 02025500 1937-10-20 59000 22.52 USGS 02025500 1939-01-31 41600 18.62 USGS 02025500 1940-08-16 66800 24.25 USGS 02025500 1941-07-08 25000 14.35 USGS 02025500 1942-05-22 68700 24.62 USGS 02025500 1942-12-31 41200 18.48 USGS 02025500 1944-09-19 33300 16.60 USGS 02025500 1945-09-19 29800 15.70 USGS 02025500 1946-01-08 38700 17.94 USGS 02025500 1947-03-15 30600 15.90 USGS 02025500 1948-02-15 47600 19.90 USGS 02025500 1949-04-14 63300 22.90 USGS 02025500 1950-09-10 69900 24.00 USGS 02025500 1950-12-08 62700 22.83 USGS 02025500 1952-03-12 49600 20.33 USGS 02025500 1953-02-22 56100 21.63 USGS 02025500 1954-03-02 62700 22.80 USGS 02025500 1955-03-07 65900 23.33 USGS 02025500 1956-03-15 18800 12.60 USGS 02025500 1957-04-06 60500 22.36 USGS 02025500 1958-03-31 39500 18.08 USGS 02025500 1959-09-30 29000 15.49 USGS 02025500 1960-03-31 58300 22.00 USGS 02025500 1961-02-27 26000 14.69 USGS 02025500 1961-10-21 57800 21.87 USGS 02025500 1963-03-13 74700 24.75 USGS 02025500 1964-03-06 31700 16.25 USGS 02025500 1965-02-08 42100 18.70 USGS 02025500 1966-02-14 40800 18.35 USGS 02025500 1967-03-08 61000 22.46 USGS 02025500 1968-03-14 26000 14.73 USGS 02025500 1969-08-20 150000 35.50 USGS 02025500 1970-01-01 59400 22.20 USGS 02025500 1971-05-31 61600 22.62 USGS 02025500 1972-06-22 126000 32.38 USGS 02025500 1973-05-29 57700 21.89 USGS 02025500 1973-12-27 74000 24.69 USGS 02025500 1975-03-20 61200 22.53 USGS 02025500 1976-01-02 40200 18.25 USGS 02025500 1977-04-06 66700 23.47 USGS 02025500 1978-01-26 79700 25.59 USGS 02025500 1979-02-26 73300 24.56 USGS 02025500 1980-04-15 57400 6 21.84 USGS 02025500 1981-05-29 29800 6 15.70 USGS 02025500 1982-06-13 67900 6 23.67 USGS 02025500 1983-04-11 43400 6 18.97 USGS 02025500 1984-02-15 61800 6 22.63 USGS 02025500 1985-08-19 24600 6 14.29 USGS 02025500 1985-11-05 207000 6 42.15 USGS 02025500 1987-04-17 97900 6 28.36 USGS 02025500 1988-01-21 17400 6 12.14 USGS 02025500 1989-05-06 45900 6 19.52 USGS 02025500 1990-01-01 35600 6 17.16 USGS 02025500 1991-01-12 43300 6 18.94 USGS 02025500 1992-04-22 105000 6 29.48 USGS 02025500 1993-03-05 64900 6 23.15 USGS 02025500 1994-03-29 34300 6 16.83 USGS 02025500 1995-06-28 87800 6 26.87 USGS 02025500 1996-01-20 116000 6 30.96 USGS 02025500 1996-12-02 55500 6 21.46 USGS 02025500 1998-01-09 48500 1,2,6 USGS 02025500 1999-01-25 16200 6 11.70 USGS 02025500 2000-04-19 23800 6 14.06 USGS 02025500 2001-05-23 25400 6 14.51 USGS 02025500 2002-04-23 20800 6 13.18 USGS 02025500 2003-02-23 78600 6 25.43 USGS 02025500 2004-09-29 71900 6 24.35 USGS 02025500 2005-03-29 29600 6 15.64 USGS 02025500 2006-06-28 66800 6 22.74 USGS 02025500 2006-11-17 50600 6 19.69 USGS 02025500 2008-04-29 28800 6 14.85 USGS 02025500 2009-05-17 21800 6 13.01 USGS 02025500 2010-01-26 72700 6 23.78 USGS 02025500 2011-04-17 48900 6 20.68 USGS 02025500 2011-12-08 41800 6 19.09 USGS 02025500 2013-05-08 53800 6 21.71 USGS 02025500 2014-02-04 27700 6 15.24 USGS 02025500 2015-03-06 38500 6 18.21 USGS 02025500 2016-06-24 45600 6 19.36 USGS 02025500 2017-05-25 23:15 49100 6 20.11 USGS 02025500 2018-04-17 02:30 52600 6 20.84 USGS 02025500 2019-02-24 14:15 49900 6 20.27 USGS 02025500 2020-05-22 09:30 47300 6 19.74 USGS 02025500 2021-09-23 01:30 36900 6 17.36 USGS 02025500 2022-02-05 04:00 27400 6 14.92 USGS 02025500 2023-02-18 06:30 31300 6 15.96