# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-21 17:33:15 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 02074500 SANDY RIVER NEAR DANVILLE, 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 02074500 1929-10-02 1000 USGS 02074500 1931-08-22 4590 9.45 3 USGS 02074500 1932-03-06 3990 8.69 3 USGS 02074500 1932-10-17 4500 9.29 3 USGS 02074500 1934-09-07 7140 11.60 3 USGS 02074500 1934-12-01 4980 9.76 3 USGS 02074500 1936-01-19 6330 10.95 3 USGS 02074500 1937-08-25 4410 9.20 3 USGS 02074500 1937-10-20 5180 9.98 3 USGS 02074500 1939-08-18 3000 7.40 3 USGS 02074500 1940-08-14 23000 17.38 3 USGS 02074500 1941-07-19 1650 5.42 3 USGS 02074500 1942-05-15 2780 7.11 3,6 USGS 02074500 1943-04-19 2400 5.33 USGS 02074500 1944-09-19 11800 10.51 USGS 02074500 1945-09-17 4270 6.58 USGS 02074500 1946-01-08 2100 5.04 USGS 02074500 1947-09-24 3110 5.83 USGS 02074500 1948-04-01 3180 5.81 USGS 02074500 1948-11-28 2330 5.24 USGS 02074500 1950-07-14 3400 6.07 USGS 02074500 1951-06-18 3630 6.18 USGS 02074500 1952-08-31 2270 5.30 USGS 02074500 1953-03-24 1330 4.18 USGS 02074500 1954-01-22 2840 5.60 USGS 02074500 1954-10-15 7830 8.65 USGS 02074500 1956-03-16 1570 4.52 USGS 02074500 1957-04-08 3260 5.94 USGS 02074500 1957-11-19 4110 6.52 USGS 02074500 1958-12-29 4270 6.56 USGS 02074500 1960-04-05 2700 5.55 USGS 02074500 1961-03-05 2640 5.50 USGS 02074500 1961-12-12 2580 5.43 USGS 02074500 1963-03-12 4430 6.66 USGS 02074500 1964-08-31 2510 5.40 USGS 02074500 1965-07-12 2580 5.45 USGS 02074500 1966-02-28 2700 5.56 USGS 02074500 1967-08-24 9820 9.58 USGS 02074500 1967-12-28 1700 4.63 USGS 02074500 1969-07-08 2390 5.30 USGS 02074500 1970-08-10 2900 5.68 USGS 02074500 1971-05-13 3330 6.01 USGS 02074500 1972-06-21 10500 9.92 USGS 02074500 1972-11-14 3630 6.18 USGS 02074500 1974-09-06 4270 6.60 USGS 02074500 1975-03-30 12700 10.90 USGS 02074500 1976-01-27 1700 4.65 USGS 02074500 1976-10-09 2580 5.47 USGS 02074500 1978-04-26 8210 8.77 USGS 02074500 1979-09-22 11600 10.38 USGS 02074500 1980-04-09 4860 6.95 USGS 02074500 1981-02-20 934 3.66 USGS 02074500 1982-01-04 2200 5.14 USGS 02074500 1983-04-02 5130 7.11 USGS 02074500 1984-08-13 4410 6.69 USGS 02074500 1985-08-18 10900 10.10 USGS 02074500 1985-11-04 5870 7.54 USGS 02074500 1987-04-16 12800 10.97 USGS 02074500 1988-07-23 2930 5.72 USGS 02074500 1989-07-05 12100 10.63 USGS 02074500 1989-10-01 4300 6.62 USGS 02074500 1990-10-23 8620 9.01 USGS 02074500 1992-01-04 4600 6.80 USGS 02074500 1993-03-04 6380 7.82 USGS 02074500 1994-03-02 4120 6.51 USGS 02074500 1995-06-29 11200 10.26 USGS 02074500 1996-09-06 13000 11.06 USGS 02074500 1997-04-29 3510 6.12 USGS 02074500 1998-05-07 6020 7.63 USGS 02074500 1999-09-30 3210 5.97 USGS 02074500 2000-09-03 5000 7.05 USGS 02074500 2001-05-22 3780 6.30 USGS 02074500 2002-05-09 5770 7.49 USGS 02074500 2003-03-20 6380 7.83 USGS 02074500 2004-09-28 5770 7.49 USGS 02074500 2005-07-08 5240 7.19 USGS 02074500 2005-10-08 2550 5.43 USGS 02074500 2007-01-01 7820 8.60 USGS 02074500 2008-05-09 8750 9.08 USGS 02074500 2009-01-07 2240 5.17 USGS 02074500 2010-01-25 7710 8.54 USGS 02074500 2010-10-28 928 3.58 USGS 02074500 2012-03-25 2340 5.26 USGS 02074500 2013-01-17 3650 6.21 USGS 02074500 2014-01-11 2500 5.39 USGS 02074500 2015-04-20 1080 3.84 USGS 02074500 2015-12-24 6030 7.64 USGS 02074500 2016-10-08 18:45 4900 6.99 USGS 02074500 2018-09-23 01:45 8630 9.02 USGS 02074500 2018-10-11 17:30 14100 11.51 USGS 02074500 2020-02-06 23:45 9050 9.23 USGS 02074500 2020-11-12 13:15 5180 7.81 USGS 02074500 2022-07-19 05:45 985 3.82 USGS 02074500 2023-05-29 20:45 3000 6.27