# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-28 13:39:23 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 02069700 SOUTH MAYO RIVER NEAR NETTLERIDGE, 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 02069700 1963-03-12 2990 10.40 USGS 02069700 1964-09-01 2310 9.20 USGS 02069700 1964-10-16 2150 8.91 USGS 02069700 1966-02-13 1660 7.94 USGS 02069700 1967-08-24 930 6.24 USGS 02069700 1968-03-12 990 6.42 USGS 02069700 1968-10-19 1950 8.48 USGS 02069700 1970-08-10 2990 10.36 USGS 02069700 1970-10-31 3290 10.91 USGS 02069700 1972-06-21 12500 18.32 USGS 02069700 1973-02-02 2200 9.03 USGS 02069700 1974-04-04 4350 12.16 USGS 02069700 1975-03-30 2580 9.69 USGS 02069700 1976-04-01 1210 6.93 USGS 02069700 1976-10-09 2930 10.32 USGS 02069700 1978-01-26 3590 11.33 USGS 02069700 1979-09-22 20600 22.00 USGS 02069700 1980-04-09 5490 13.27 USGS 02069700 1981-09-16 1040 6.51 USGS 02069700 1982-06-13 2120 8.83 USGS 02069700 1983-04-10 3020 10.45 USGS 02069700 1984-03-29 1380 7.27 USGS 02069700 1985-08-18 18100 20.89 USGS 02069700 1985-11-04 9170 16.18 USGS 02069700 1987-03-01 4480 12.33 USGS 02069700 1988-06-19 1130 6.79 USGS 02069700 1989-07-06 3390 11.05 USGS 02069700 1990-03-17 2660 9.83 USGS 02069700 1991-03-29 2140 8.89 USGS 02069700 1992-04-21 10600 17.10 USGS 02069700 1993-03-24 3630 11.35 USGS 02069700 1994-03-28 2240 9.08 USGS 02069700 1995-01-15 1710 8.01 USGS 02069700 1996-06-09 2000 8.61 USGS 02069700 1996-12-01 2030 8.67 USGS 02069700 1998-04-17 1680 7.95 USGS 02069700 1999-09-30 1000 6.44 USGS 02069700 2000-03-21 782 5.95 USGS 02069700 2001-05-22 931 6.28 USGS 02069700 2002-03-18 503 5.33 USGS 02069700 2003-02-22 2280 9.15 USGS 02069700 2004-09-28 9290 16.26 USGS 02069700 2005-01-14 1620 7.80 USGS 02069700 2005-10-08 1510 7.57 USGS 02069700 2007-09-14 1980 8.56 USGS 02069700 2008-05-09 1460 7.45 USGS 02069700 2009-06-05 2740 9.99 USGS 02069700 2010-01-25 7450 14.95 USGS 02069700 2011-03-06 1730 8.06 USGS 02069700 2011-12-07 1840 8.28 USGS 02069700 2013-01-18 2160 8.92 USGS 02069700 2013-10-07 1570 7.69 USGS 02069700 2015-09-29 10500 17.05 USGS 02069700 2015-12-24 1730 8.15 USGS 02069700 2017-04-24 08:30 2410 9.39 USGS 02069700 2018-09-17 06:15 7010 14.60 USGS 02069700 2018-10-11 21:00 4040 11.85 USGS 02069700 2020-05-21 11:30 3560 11.20 USGS 02069700 2020-10-29 16:30 4420 12.28 USGS 02069700 2022-05-27 08:15 1690 7.96 USGS 02069700 2023-08-28 12:15 2770 10.03