# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-23 22:39:41 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 01668000 RAPPAHANNOCK RIVER NEAR FREDERICKSBURG, 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 01668000 1908-01-13 30100 10.00 3 USGS 01668000 1909-04-14 17800 7.50 3 USGS 01668000 1910-07-04 17000 7.30 3 USGS 01668000 1911-01-04 13200 6.40 3 USGS 01668000 1912-09-25 31400 10.10 3 USGS 01668000 1913-04-13 33600 10.50 3 USGS 01668000 1914-01-04 25700 9.10 3 USGS 01668000 1915-01-13 36300 11.00 3 USGS 01668000 1916-06-17 37400 11.20 3 USGS 01668000 1917-03-05 23100 8.50 3 USGS 01668000 1918-04-10 47700 13.00 3 USGS 01668000 1919-01-03 18200 7.60 3 USGS 01668000 1920-07-13 9220 5.40 3 USGS 01668000 1921-05-13 17700 7.40 3 USGS 01668000 1922-06-05 27200 9.30 3 USGS 01668000 1923-08-01 13700 6.50 3 USGS 01668000 1924-05-13 66900 16.50 3 USGS 01668000 1924-10-01 58800 15.10 3 USGS 01668000 1926-09-24 20100 7.93 3 USGS 01668000 1926-11-17 40400 11.94 3 USGS 01668000 1928-08-12 39400 11.66 3 USGS 01668000 1929-04-17 22200 8.47 3 USGS 01668000 1929-10-23 44800 12.68 3 USGS 01668000 1931-05-23 4190 3.77 3 USGS 01668000 1932-05-13 23800 8.78 3 USGS 01668000 1932-11-10 39900 11.84 3 USGS 01668000 1934-09-17 36000 11.07 3 USGS 01668000 1935-09-06 33300 10.65 3 USGS 01668000 1936-03-18 42600 12.33 3 USGS 01668000 1937-04-26 134000 25.14 1,3 USGS 01668000 1937-10-20 40800 11.90 3 USGS 01668000 1939-02-04 19700 7.84 3 USGS 01668000 1940-09-01 18700 7.75 2,3 1940-02-12 10.00 1 USGS 01668000 1941-04-06 20600 8.03 3 USGS 01668000 1942-08-09 29000 9.78 3 USGS 01668000 1942-10-16 140000 25.90 3 1889 USGS 01668000 1943-11-09 24300 8.90 3 USGS 01668000 1945-07-31 25800 9.20 3 USGS 01668000 1946-05-27 20900 8.23 3 USGS 01668000 1947-03-15 11600 5.96 3 USGS 01668000 1948-04-02 26900 9.42 3 USGS 01668000 1948-12-04 37400 11.34 3 USGS 01668000 1950-09-14 25800 9.21 3 USGS 01668000 1950-12-05 42800 12.16 3 USGS 01668000 1952-04-28 21400 8.29 3 USGS 01668000 1952-11-22 36300 11.12 3 USGS 01668000 1954-03-02 12600 6.36 3 USGS 01668000 1955-08-19 74500 17.00 3 USGS 01668000 1956-07-21 12600 6.35 3 USGS 01668000 1957-04-05 21000 8.31 3 USGS 01668000 1958-01-15 18600 7.81 3 USGS 01668000 1959-06-03 20000 8.06 3 USGS 01668000 1960-04-05 27200 9.48 3 USGS 01668000 1961-02-19 27800 9.58 3 USGS 01668000 1962-03-13 31800 10.31 3 USGS 01668000 1963-03-13 25000 9.13 3 USGS 01668000 1964-01-10 19000 7.94 3 USGS 01668000 1965-02-08 33600 10.55 3 USGS 01668000 1966-02-14 27200 9.52 3 USGS 01668000 1967-03-08 29100 10.84 3 USGS 01668000 1968-01-15 30400 11.06 3 USGS 01668000 1969-07-29 15600 8.13 3 USGS 01668000 1970-02-10 14400 7.85 3 USGS 01668000 1971-05-31 29000 10.81 3 USGS 01668000 1972-06-22 107000 22.56 3 USGS 01668000 1972-10-07 39000 12.50 3 USGS 01668000 1973-12-22 29900 10.99 3 USGS 01668000 1975-03-20 44200 13.37 3 USGS 01668000 1976-01-01 29800 11.03 3 USGS 01668000 1976-10-10 50700 14.38 3 USGS 01668000 1978-01-27 44700 13.44 3 USGS 01668000 1979-02-27 52900 14.72 3 USGS 01668000 1979-10-02 40900 12.83 3 USGS 01668000 1981-02-20 11000 7.04 3 USGS 01668000 1982-02-04 25500 10.20 3 USGS 01668000 1983-04-10 33500 11.63 3 USGS 01668000 1984-02-15 53000 14.79 3 USGS 01668000 1985-02-13 25700 10.24 3 USGS 01668000 1985-11-06 50200 14.33 3 USGS 01668000 1987-04-17 31900 11.35 3 USGS 01668000 1987-11-30 30400 11.09 3 USGS 01668000 1989-05-06 54600 15.03 3 USGS 01668000 1990-05-11 17900 8.68 3 USGS 01668000 1990-10-24 25900 10.27 3 USGS 01668000 1992-04-23 25200 10.14 3 USGS 01668000 1993-03-05 57800 15.54 3 USGS 01668000 1993-11-28 43100 13.22 3 USGS 01668000 1995-06-28 68600 17.14 3 USGS 01668000 1996-09-07 74100 17.97 3 USGS 01668000 1996-10-19 22200 9.56 3 USGS 01668000 1998-02-05 43000 13.20 3 USGS 01668000 1999-01-25 14000 7.78 3 USGS 01668000 1999-10-01 35600 11.97 3 USGS 01668000 2001-03-22 22300 8.98 USGS 01668000 2002-04-23 5730 4.15 USGS 01668000 2003-09-20 38300 12.53 USGS 01668000 2003-12-11 39100 12.69 USGS 01668000 2005-01-15 34400 11.73 USGS 01668000 2005-10-09 30800 10.96 USGS 01668000 2007-04-16 22300 8.98 USGS 01668000 2008-05-12 31500 11.10 USGS 01668000 2009-05-07 17500 7.76 USGS 01668000 2010-01-26 36700 11.81 USGS 01668000 2011-04-18 34000 11.27 USGS 01668000 2011-12-08 33400 11.15 USGS 01668000 2013-06-10 40200 12.45 USGS 01668000 2014-05-01 57300 15.43 USGS 01668000 2015-04-20 24900 9.40 USGS 01668000 2016-02-17 23600 9.11 USGS 01668000 2017-05-06 09:45 22400 8.93 USGS 01668000 2018-06-23 15:15 70900 17.55 USGS 01668000 2018-12-16 18:45 32600 11.04 USGS 01668000 2020-04-14 00:15 23800 9.23 USGS 01668000 2020-11-12 20:00 37700 12.09 USGS 01668000 2021-10-30 07:15 18600 8.05 USGS 01668000 2022-12-23 18:15 30300 10.64