# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-03 05:52:10 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 01628500 S F SHENANDOAH RIVER NEAR LYNNWOOD, 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 01628500 1931-08-23 5220 7.80 USGS 01628500 1932-03-28 8990 10.62 USGS 01628500 1933-04-17 17300 14.73 USGS 01628500 1934-09-17 8430 10.18 USGS 01628500 1934-12-01 45600 21.62 USGS 01628500 1936-03-18 77000 26.57 USGS 01628500 1937-04-26 39800 20.48 USGS 01628500 1937-10-20 18600 14.72 USGS 01628500 1939-02-04 14900 13.20 USGS 01628500 1940-08-17 33100 19.86 USGS 01628500 1941-04-05 7520 9.30 USGS 01628500 1942-05-22 36300 20.37 USGS 01628500 1942-10-15 80000 27.20 1870 USGS 01628500 1944-09-19 15800 13.98 USGS 01628500 1945-09-18 42800 21.70 USGS 01628500 1946-05-05 5530 8.00 USGS 01628500 1947-03-15 10600 11.44 USGS 01628500 1948-02-14 18500 15.20 USGS 01628500 1949-06-18 53600 23.60 USGS 01628500 1950-09-13 12100 12.25 USGS 01628500 1950-12-08 22900 16.88 USGS 01628500 1952-03-11 18100 15.36 USGS 01628500 1953-03-25 17500 15.17 USGS 01628500 1954-03-01 15000 14.12 USGS 01628500 1955-08-18 46800 22.94 USGS 01628500 1956-03-15 3560 6.38 USGS 01628500 1957-04-06 13400 13.31 USGS 01628500 1958-04-23 11400 12.05 USGS 01628500 1959-06-03 13500 13.13 USGS 01628500 1960-05-08 17000 14.55 USGS 01628500 1961-04-13 10900 11.69 USGS 01628500 1961-10-21 14200 13.45 USGS 01628500 1963-03-13 16200 14.30 USGS 01628500 1964-03-06 9700 11.02 USGS 01628500 1965-02-08 12400 12.48 USGS 01628500 1966-02-14 7900 9.76 USGS 01628500 1967-03-07 16400 14.37 USGS 01628500 1968-05-28 8120 9.99 USGS 01628500 1969-08-20 16300 14.32 USGS 01628500 1969-12-31 10800 11.66 USGS 01628500 1971-05-30 31700 19.43 USGS 01628500 1972-06-22 50700 23.45 USGS 01628500 1972-10-06 42600 21.92 USGS 01628500 1973-12-27 19800 15.73 USGS 01628500 1975-03-19 35800 20.44 USGS 01628500 1976-01-01 12800 12.76 USGS 01628500 1976-10-09 26500 17.99 USGS 01628500 1978-01-26 22700 16.74 USGS 01628500 1979-09-06 26200 17.89 USGS 01628500 1980-04-15 11600 12.06 USGS 01628500 1981-07-05 5010 7.59 USGS 01628500 1982-06-13 14500 13.52 USGS 01628500 1983-03-19 17600 14.87 USGS 01628500 1984-02-14 18400 15.21 USGS 01628500 1985-02-12 9450 10.84 USGS 01628500 1985-11-05 95100 29.46 USGS 01628500 1987-04-17 33900 19.29 USGS 01628500 1988-05-19 5050 7.41 USGS 01628500 1989-05-02 11100 11.57 USGS 01628500 1989-10-19 8480 10.05 USGS 01628500 1990-10-23 12300 12.15 USGS 01628500 1992-04-22 28700 17.91 USGS 01628500 1993-03-04 34500 19.45 USGS 01628500 1994-03-29 14200 12.92 USGS 01628500 1995-01-16 19200 14.81 USGS 01628500 1996-09-07 107000 30.84 USGS 01628500 1996-12-02 8740 10.21 USGS 01628500 1998-02-18 27600 17.49 USGS 01628500 1999-09-30 6040 8.21 USGS 01628500 2000-09-03 3980 6.58 USGS 01628500 2001-03-21 11200 11.63 USGS 01628500 2002-04-22 7550 9.29 USGS 01628500 2003-09-19 48400 22.40 USGS 01628500 2004-09-29 32900 18.92 USGS 01628500 2005-03-29 6200 8.33 USGS 01628500 2005-11-30 28700 17.81 USGS 01628500 2006-11-17 19100 14.79 USGS 01628500 2008-04-29 5050 7.46 USGS 01628500 2009-05-05 6690 8.69 USGS 01628500 2010-01-25 33600 19.09 USGS 01628500 2011-04-17 37000 19.93 USGS 01628500 2011-12-08 13000 12.44 USGS 01628500 2013-05-08 16300 13.76 USGS 01628500 2014-05-16 17400 14.20 USGS 01628500 2015-09-30 10500 11.25 USGS 01628500 2016-02-03 10800 11.40 USGS 01628500 2017-05-25 16300 13.78 USGS 01628500 2018-09-18 38200 20.23 USGS 01628500 2018-12-21 15:45 15500 14.16 USGS 01628500 2020-04-30 20:30 7740 9.73 USGS 01628500 2020-12-25 12:45 10200 11.62 USGS 01628500 2022-02-04 22:00 6680 8.87 USGS 01628500 2023-02-18 05:00 5970 8.27