# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-21 17:01:05 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 03474000 M F HOLSTON RIVER AT SEVEN MILE FORD, 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 03474000 1942-08-09 4290 8.30 USGS 03474000 1942-12-30 3840 7.77 USGS 03474000 1944-02-18 4980 8.98 USGS 03474000 1945-02-17 3750 7.74 USGS 03474000 1946-01-07 4290 8.30 USGS 03474000 1947-08-04 6570 9.86 USGS 03474000 1948-02-14 3390 7.33 USGS 03474000 1948-12-03 2610 6.38 USGS 03474000 1950-02-02 3190 7.28 USGS 03474000 1950-12-07 3280 7.44 USGS 03474000 1952-01-28 1540 5.14 USGS 03474000 1953-07-07 2540 6.54 USGS 03474000 1954-01-22 3910 8.08 USGS 03474000 1955-03-18 4600 8.28 USGS 03474000 1956-04-16 5020 8.62 USGS 03474000 1957-01-29 7680 10.75 USGS 03474000 1958-05-06 1820 5.67 USGS 03474000 1959-04-12 2540 6.65 USGS 03474000 1960-03-30 2290 6.30 USGS 03474000 1961-05-12 7220 10.35 USGS 03474000 1961-12-18 4880 5.53 USGS 03474000 1963-03-12 5800 6.08 USGS 03474000 1964-03-05 2200 3.68 USGS 03474000 1965-03-26 4590 4.90 USGS 03474000 1966-02-13 2260 3.71 USGS 03474000 1967-03-07 2680 3.92 USGS 03474000 1968-03-13 2260 3.71 USGS 03474000 1969-02-02 1480 3.17 USGS 03474000 1969-12-31 3280 4.19 USGS 03474000 1971-05-07 3500 4.29 USGS 03474000 1972-09-30 5720 5.71 USGS 03474000 1972-12-10 6240 6.15 USGS 03474000 1974-01-01 2440 3.80 USGS 03474000 1975-03-30 6240 6.15 USGS 03474000 1976-01-01 1860 3.47 USGS 03474000 1977-04-05 10900 8.54 USGS 03474000 1977-11-06 14500 10.33 USGS 03474000 1979-01-21 2280 3.72 USGS 03474000 1980-03-21 1840 3.46 USGS 03474000 1981-06-05 2200 3.67 USGS 03474000 1982-06-13 2960 4.06 USGS 03474000 1982-12-16 1580 3.26 USGS 03474000 1984-05-07 8030 7.07 USGS 03474000 1985-02-01 2100 3.61 USGS 03474000 1986-05-17 1440 3.14 USGS 03474000 1987-04-16 3260 4.20 USGS 03474000 1988-02-04 1510 3.20 USGS 03474000 1989-09-22 4860 5.14 USGS 03474000 1990-01-01 4070 4.65 USGS 03474000 1991-06-23 4210 4.73 USGS 03474000 1992-06-05 2050 3.58 USGS 03474000 1993-03-24 3780 4.48 USGS 03474000 1994-03-28 5880 5.80 USGS 03474000 1995-01-15 4470 4.88 USGS 03474000 1996-01-09 5080 5.29 USGS 03474000 1997-03-03 4000 4.61 USGS 03474000 1998-04-17 2130 3.63 USGS 03474000 1999-05-14 15:00 1110 2.83 USGS 03474000 2000-07-04 1010 2.73 USGS 03474000 2001-07-29 9900 8.05 USGS 03474000 2002-03-18 9980 8.09 USGS 03474000 2003-02-22 6870 6.40 USGS 03474000 2003-11-19 10400 8.31 USGS 03474000 2005-01-14 936 2.66 USGS 03474000 2006-06-27 1290 3.00 USGS 03474000 2007-03-16 1240 2.96 USGS 03474000 2008-03-05 1740 3.39 USGS 03474000 2009-05-07 1850 3.46 USGS 03474000 2009-12-09 4330 4.80 USGS 03474000 2011-02-28 4390 4.83 USGS 03474000 2011-12-07 2000 3.55 USGS 03474000 2013-01-31 5110 5.31 USGS 03474000 2013-12-29 1260 2.98 USGS 03474000 2015-04-20 2870 4.02 USGS 03474000 2015-12-24 2480 3.82 USGS 03474000 2017-04-24 02:45 6410 6.35 2 USGS 03474000 2018-04-16 06:15 2240 3.66 USGS 03474000 2019-02-23 19:15 4660 5.28 USGS 03474000 2020-04-13 09:45 5710 5.94 USGS 03474000 2020-11-12 10:15 5630 5.89 USGS 03474000 2022-02-24 18:52 5030 5.52 USGS 03474000 2023-02-17 14:35 3530 4.54