# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-06-26 05:17:08 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 02055000 ROANOKE RIVER AT ROANOKE, 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 02055000 1877-11-00 20300 2,7,Bd 16.00 3,Bd USGS 02055000 1899-03-04 11000 10.00 3 USGS 02055000 1900-03-20 5060 5.60 3 USGS 02055000 1901-05-22 19000 15.00 3 USGS 02055000 1902-02-25 15300 13.20 3 USGS 02055000 1903-02-17 10200 9.40 3 USGS 02055000 1904-08-10 2900 4.00 3 USGS 02055000 1905-07-12 14800 12.80 3 USGS 02055000 1905-12-20 4520 5.20 3 USGS 02055000 1907-09-23 9920 9.20 3 USGS 02055000 1908-01-12 11800 10.60 3 USGS 02055000 1908-10-24 9660 9.00 3 USGS 02055000 1910-06-13 9380 8.80 3 USGS 02055000 1911-04-05 3040 4.10 3 USGS 02055000 1912-05-12 8980 8.50 3 USGS 02055000 1913-03-14 9120 8.60 3 USGS 02055000 1914-01-09 2780 3.90 3 USGS 02055000 1914-12-05 11000 10.00 3 USGS 02055000 1915-12-18 8040 7.80 3 USGS 02055000 1917-03-05 6420 6.60 3 USGS 02055000 1918-06-26 6440 8.20 3 USGS 02055000 1919-01-03 6700 8.40 3 USGS 02055000 1920-02-04 4270 6.20 3 USGS 02055000 1920-11-30 1700 3.50 3 USGS 02055000 1921-11-01 14100 13.20 3 USGS 02055000 1923-03-07 5510 7.40 3 USGS 02055000 1924-09-29 9600 10.50 3 USGS 02055000 1925-01-18 1300 3.00 3 USGS 02055000 1926-01-17 2240 4.10 3 USGS 02055000 1926-12-26 8900 10.00 3 USGS 02055000 1928-08-16 22600 18.10 3 USGS 02055000 1929-03-05 5180 7.10 3 USGS 02055000 1929-10-02 11100 11.50 3 USGS 02055000 1931-08-22 3470 5.40 3 USGS 02055000 1932-02-03 2240 4.10 3 USGS 02055000 1932-10-17 13900 13.10 3 USGS 02055000 1934-03-28 6570 8.30 3 USGS 02055000 1935-01-23 11400 11.70 3 USGS 02055000 1936-03-18 10400 11.00 3 USGS 02055000 1937-08-30 9180 10.15 USGS 02055000 1937-10-19 10000 10.84 USGS 02055000 1939-08-19 8480 9.67 USGS 02055000 1940-08-14 22800 18.25 USGS 02055000 1941-07-08 3910 5.84 USGS 02055000 1942-05-22 5740 7.38 USGS 02055000 1943-04-19 5870 7.50 USGS 02055000 1944-02-18 4750 6.65 USGS 02055000 1945-09-18 15100 13.70 USGS 02055000 1946-02-10 5400 7.33 USGS 02055000 1947-01-20 5960 7.77 USGS 02055000 1948-08-05 11900 11.96 USGS 02055000 1948-12-04 15100 13.68 USGS 02055000 1950-05-30 6960 8.64 USGS 02055000 1950-12-08 10600 11.15 USGS 02055000 1952-09-01 6570 8.29 USGS 02055000 1953-03-24 7220 8.79 USGS 02055000 1954-03-01 4770 6.69 USGS 02055000 1954-10-15 5960 7.80 USGS 02055000 1956-04-16 4270 6.16 USGS 02055000 1957-01-29 8900 9.20 USGS 02055000 1958-05-06 5760 7.21 USGS 02055000 1959-09-30 14900 13.28 USGS 02055000 1960-02-11 5180 6.92 USGS 02055000 1961-05-11 3980 5.91 USGS 02055000 1961-12-18 6340 7.80 USGS 02055000 1962-11-10 8450 9.26 USGS 02055000 1964-04-14 3870 5.76 USGS 02055000 1965-03-26 5690 7.32 USGS 02055000 1966-02-13 5560 7.25 USGS 02055000 1967-03-07 11000 10.93 USGS 02055000 1968-03-13 3890 5.82 USGS 02055000 1968-10-19 9240 9.83 USGS 02055000 1969-12-31 5280 6.98 USGS 02055000 1971-05-30 5110 6.84 USGS 02055000 1972-06-21 25300 19.61 USGS 02055000 1973-05-28 13000 12.31 USGS 02055000 1974-04-04 4740 6.53 USGS 02055000 1975-03-14 12400 11.96 USGS 02055000 1976-06-17 3870 5.80 USGS 02055000 1977-04-05 11000 11.01 USGS 02055000 1978-04-27 24100 18.95 USGS 02055000 1979-09-22 11900 11.62 USGS 02055000 1980-04-14 9180 9.79 USGS 02055000 1981-09-04 2930 4.87 USGS 02055000 1982-02-03 6560 7.97 USGS 02055000 1983-04-10 13300 12.53 USGS 02055000 1984-02-14 6820 8.16 USGS 02055000 1985-08-18 11400 11.32 USGS 02055000 1985-11-04 32300 23.35 USGS 02055000 1987-04-25 14900 13.56 USGS 02055000 1988-01-20 1460 3.31 USGS 02055000 1989-09-23 11900 11.63 USGS 02055000 1989-11-16 6250 7.74 USGS 02055000 1991-01-11 6290 7.77 USGS 02055000 1992-04-22 22000 18.09 USGS 02055000 1993-03-24 11000 11.80 USGS 02055000 1993-12-05 8410 9.94 USGS 02055000 1995-01-15 10800 11.66 USGS 02055000 1996-09-06 14400 13.86 USGS 02055000 1996-12-01 7210 9.07 USGS 02055000 1998-03-21 12900 13.01 USGS 02055000 1999-09-06 3600 5.97 USGS 02055000 2000-04-18 5620 7.82 USGS 02055000 2001-03-30 3210 5.57 USGS 02055000 2002-05-03 3250 5.61 USGS 02055000 2003-02-23 17400 15.57 USGS 02055000 2004-09-28 21500 17.82 USGS 02055000 2005-03-28 4800 7.11 USGS 02055000 2006-06-27 12600 12.80 USGS 02055000 2006-11-16 3420 5.79 USGS 02055000 2008-04-28 2770 5.08 USGS 02055000 2009-05-15 2530 4.81 USGS 02055000 2009-11-12 9950 10.33 USGS 02055000 2011-03-06 4810 6.57 USGS 02055000 2011-11-29 6710 7.81 USGS 02055000 2013-07-04 16000 14.38 USGS 02055000 2014-02-21 4040 6.00 USGS 02055000 2015-09-30 16300 14.62 USGS 02055000 2015-11-19 7260 8.26 USGS 02055000 2017-01-23 13:15 10300 10.58 USGS 02055000 2018-09-17 16:30 10200 11.41 USGS 02055000 2018-10-11 17:00 18800 16.64 USGS 02055000 2020-05-21 16:10 17100 15.88 USGS 02055000 2020-11-12 12:35 14000 14.07 USGS 02055000 2022-05-24 12:50 4890 7.28 USGS 02055000 2023-02-13 04:55 5420 7.77