# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-25 16:45:53 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 02054500 ROANOKE RIVER AT LAFAYETTE, 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 02054500 1940-08-00 19000 7,Bd 12.20 Bd USGS 02054500 1944-02-18 6500 7.50 USGS 02054500 1945-09-18 10400 10.00 USGS 02054500 1946-02-10 7200 8.00 USGS 02054500 1947-01-20 7200 8.00 USGS 02054500 1948-08-04 13200 11.00 USGS 02054500 1948-12-04 11500 10.50 USGS 02054500 1950-07-12 6600 8.23 USGS 02054500 1950-12-07 8800 9.38 USGS 02054500 1952-09-01 6430 8.10 USGS 02054500 1953-03-24 6260 8.00 USGS 02054500 1954-03-01 3250 6.05 USGS 02054500 1954-10-15 6090 7.91 USGS 02054500 1956-04-16 4200 6.66 USGS 02054500 1957-01-29 8000 9.02 USGS 02054500 1958-07-13 4200 6.77 USGS 02054500 1959-09-30 15600 11.56 USGS 02054500 1960-02-11 4110 6.11 USGS 02054500 1961-05-11 2560 4.66 USGS 02054500 1961-12-18 4940 6.76 USGS 02054500 1962-11-10 6040 7.70 USGS 02054500 1964-04-14 3010 5.13 USGS 02054500 1965-03-26 4580 6.54 USGS 02054500 1966-02-13 4120 6.57 USGS 02054500 1967-03-07 6830 8.52 USGS 02054500 1968-03-12 2320 5.04 USGS 02054500 1968-10-19 5380 7.53 USGS 02054500 1969-12-31 2900 5.62 USGS 02054500 1971-05-30 3350 5.97 USGS 02054500 1972-06-21 24500 15.60 USGS 02054500 1973-05-28 9020 9.78 USGS 02054500 1974-04-04 3860 6.37 USGS 02054500 1975-03-14 9360 9.46 USGS 02054500 1976-06-17 4120 6.06 USGS 02054500 1977-04-05 8850 9.18 USGS 02054500 1978-04-26 14500 12.12 USGS 02054500 1979-09-22 11800 10.75 USGS 02054500 1980-04-14 5690 7.20 USGS 02054500 1981-06-07 1520 3.74 USGS 02054500 1982-02-03 4510 7.27 USGS 02054500 1983-04-10 9400 10.21 USGS 02054500 1984-02-14 4160 6.99 USGS 02054500 1985-08-18 6510 8.65 USGS 02054500 1985-11-04 17100 13.34 USGS 02054500 1987-04-25 8540 9.78 USGS 02054500 1988-01-20 1050 3.07 USGS 02054500 1989-09-22 10500 10.73 USGS 02054500 1989-11-16 5290 7.84 USGS 02054500 1991-01-11 4170 7.00 USGS 02054500 1992-04-21 16400 13.09 USGS 02054500 1993-03-24 8200 9.61 USGS 02054500 1993-12-05 6810 8.83 USGS 02054500 1995-01-15 6930 8.90 USGS 02054500 1996-09-06 12600 11.61 USGS 02054500 1996-12-01 6220 8.29 USGS 02054500 1998-03-20 7730 9.14 USGS 02054500 1999-09-05 4250 7.01 USGS 02054500 2000-04-18 4900 7.46 USGS 02054500 2001-03-30 2710 5.54 USGS 02054500 2002-05-03 4230 6.98 USGS 02054500 2003-02-22 15800 12.69 USGS 02054500 2004-09-28 15200 12.45 USGS 02054500 2005-03-28 4650 7.29 USGS 02054500 2006-06-27 19:30 8670 9.63 USGS 02054500 2006-11-16 3080 5.93 USGS 02054500 2008-04-28 2510 5.21 USGS 02054500 2009-05-15 3120 6.02 USGS 02054500 2009-11-12 9690 9.72 USGS 02054500 2011-03-06 4670 7.17 USGS 02054500 2011-11-29 5420 7.59 USGS 02054500 2013-01-31 14200 11.69 USGS 02054500 2014-02-21 2800 6.25 USGS 02054500 2015-09-29 15400 12.16 USGS 02054500 2015-11-19 6130 7.97 USGS 02054500 2017-04-24 11:05 6590 8.85 USGS 02054500 2018-09-17 11:50 10900 10.26 USGS 02054500 2018-10-11 19:55 16100 12.44 USGS 02054500 2020-05-21 17:35 10700 10.18 USGS 02054500 2020-11-12 14:40 12400 10.92 USGS 02054500 2022-05-24 07:20 2440 5.56 USGS 02054500 2023-05-29 15:50 4300 7.13