# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-23 09:41:15 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 02073000 SMITH RIVER AT MARTINSVILLE, 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 02073000 1929-10-02 15200 12.27 USGS 02073000 1931-08-22 6620 7.70 USGS 02073000 1932-03-06 5660 6.60 USGS 02073000 1932-10-17 27200 17.50 USGS 02073000 1934-09-16 8520 8.70 USGS 02073000 1935-09-06 8040 8.43 USGS 02073000 1936-01-03 14000 11.75 USGS 02073000 1936-10-17 13600 11.57 USGS 02073000 1937-10-19 39000 21.50 USGS 02073000 1939-08-18 25400 16.76 USGS 02073000 1940-08-14 34200 19.50 USGS 02073000 1941-07-08 10900 10.10 USGS 02073000 1942-06-10 14200 11.38 USGS 02073000 1943-07-10 16600 12.48 USGS 02073000 1944-09-30 7600 7.95 USGS 02073000 1945-09-18 21600 15.30 USGS 02073000 1946-01-07 9510 9.32 USGS 02073000 1947-06-14 7080 7.80 USGS 02073000 1947-10-09 14400 12.00 USGS 02073000 1949-06-29 15800 12.72 USGS 02073000 1950-09-10 19700 6 14.50 USGS 02073000 1950-12-07 12500 6 10.95 USGS 02073000 1952-09-01 6440 6 7.36 USGS 02073000 1953-03-24 4880 6 6.37 USGS 02073000 1954-01-22 5960 6 7.14 USGS 02073000 1954-10-15 9000 6 8.98 USGS 02073000 1956-04-16 4430 6 6.06 USGS 02073000 1957-09-17 10900 6 10.10 USGS 02073000 1957-11-19 7240 6 7.94 USGS 02073000 1959-09-30 9510 6 9.30 USGS 02073000 1960-02-05 7720 6 8.18 USGS 02073000 1961-02-23 4040 6 5.73 USGS 02073000 1961-12-12 5400 6 6.66 USGS 02073000 1962-11-09 7720 6 8.15 USGS 02073000 1964-08-31 8840 6 8.88 USGS 02073000 1965-02-07 6440 6 7.39 USGS 02073000 1966-02-13 5170 6 6.50 USGS 02073000 1967-08-24 3300 6 4.97 USGS 02073000 1968-03-12 3660 6 5.31 USGS 02073000 1969-07-03 5690 6 6.87 USGS 02073000 1970-08-10 4390 6 5.87 USGS 02073000 1970-10-31 5840 6 7.00 USGS 02073000 1972-06-21 20900 6 14.95 USGS 02073000 1973-02-02 7220 6 7.89 USGS 02073000 1974-04-04 7300 6 7.94 USGS 02073000 1975-03-19 8920 6 8.95 USGS 02073000 1976-05-30 4620 6 6.08 USGS 02073000 1976-10-09 8740 6 8.84 USGS 02073000 1978-01-26 12100 6 10.77 USGS 02073000 1979-09-22 24900 6 16.59 USGS 02073000 1980-04-09 8980 6 8.99 USGS 02073000 1981-09-16 1940 6 3.85 USGS 02073000 1982-05-28 5740 6 6.93 USGS 02073000 1983-04-10 10100 6 9.65 USGS 02073000 1984-02-14 4800 6 5.81 USGS 02073000 1985-08-18 21900 6 15.43 USGS 02073000 1985-11-04 7880 6 8.09 USGS 02073000 1987-09-08 34600 6 20.08 USGS 02073000 1988-07-27 7480 6 7.81 USGS 02073000 1989-07-06 12500 6 10.98 USGS 02073000 1990-03-17 7550 6 7.86 USGS 02073000 1991-03-29 6880 6 7.38 USGS 02073000 1992-06-05 11500 6 10.42 USGS 02073000 1993-03-04 11000 6 10.15 USGS 02073000 1994-03-28 5320 6 6.25 USGS 02073000 1995-01-15 7740 6 7.99 USGS 02073000 1996-09-06 25300 6 16.75 USGS 02073000 1997-04-29 5090 6 6.08 USGS 02073000 1998-04-19 6010 6 6.75 USGS 02073000 1999-09-30 3520 6 4.93 USGS 02073000 2000-03-21 2570 6 4.22 USGS 02073000 2001-05-22 6430 6 7.06 USGS 02073000 2002-03-18 2820 6 4.41 USGS 02073000 2003-03-20 11200 6 10.27 USGS 02073000 2004-09-08 8530 6 8.56 USGS 02073000 2005-03-28 5160 6 6.13 USGS 02073000 2006-08-31 5610 6 6.46 USGS 02073000 2007-01-01 6180 6 6.88 USGS 02073000 2008-05-09 7640 6 7.92 USGS 02073000 2009-01-07 4590 6 5.72 USGS 02073000 2010-01-25 21400 6 15.19 USGS 02073000 2011-03-06 3960 6 5.25 USGS 02073000 2011-12-07 4500 6 5.65 USGS 02073000 2013-01-15 4720 6 5.81 USGS 02073000 2013-12-23 4190 6 5.42 USGS 02073000 2015-09-30 5000 6 5.93 USGS 02073000 2015-11-10 7720 6 7.98 USGS 02073000 2017-06-17 15:15 7590 6 7.89 USGS 02073000 2018-05-20 06:45 11600 6 10.53 USGS 02073000 2018-10-11 21:15 16000 6 12.79 USGS 02073000 2020-05-25 01:30 16200 6 12.87 USGS 02073000 2020-10-29 17:30 9650 6 9.33 USGS 02073000 2022-05-27 19:00 4730 6 5.82 USGS 02073000 2023-04-28 12:15 5760 6 6.57