# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-02 18:43:39 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 02218300 OCONEE RIVER NEAR PENFIELD, GA # # 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 02218300 1908-08-26 61000 2,7 1902 USGS 02218300 1919-12-19 37000 2,7 26.90 USGS 02218300 1936-04-09 36000 7 26.70 USGS 02218300 1970-03-22 11000 17.68 USGS 02218300 1971-03-03 19100 21.78 USGS 02218300 1972-01-13 16800 20.63 USGS 02218300 1972-12-16 16000 20.24 USGS 02218300 1974-01-03 13200 18.87 USGS 02218300 1975-03-14 18400 21.44 USGS 02218300 1976-03-16 19700 22.11 USGS 02218300 1977-04-02 8440 15.70 USGS 02218300 1977-11-08 19500 22.00 3 USGS 02218300 1979-04-15 17400 20.90 3 USGS 02218300 1980-05-21 13300 18.78 3 USGS 02218300 1981-02-11 8720 15.73 3 USGS 02218300 1982-01-06 13700 19.03 3 USGS 02218300 1983-04-09 14000 19.24 3 USGS 02218300 1983-12-06 14000 19.12 3 USGS 02218300 1985-02-06 7320 14.62 3 USGS 02218300 1985-12-01 5150 12.70 3 USGS 02218300 1987-03-03 13300 18.84 3 USGS 02218300 1988-02-05 6190 13.76 3 USGS 02218300 1989-06-23 9780 16.58 3 USGS 02218300 1989-10-01 31700 25.92 3 USGS 02218300 1991-03-30 7870 14.86 USGS 02218300 1992-09-29 6450 14.22 USGS 02218300 1992-11-26 14300 18.94 USGS 02218300 1994-06-28 16500 20.09 USGS 02218300 1995-02-18 12800 18.58 USGS 02218300 1996-03-09 18100 21.12 USGS 02218300 1997-03-01 14:00 14500 19.49 USGS 02218300 1998-02-06 21800 22.59 USGS 02218300 1999-02-03 8280 15.54 USGS 02218300 2000-03-21 15:45 4340 11.85 USGS 02218300 2001-07-26 10:00 8030 15.35 USGS 02218300 2002-03-31 21:30 4880 12.56 USGS 02218300 2003-03-22 07:00 17100 20.70 USGS 02218300 2004-09-28 11:15 8640 15.81 USGS 02218300 2005-07-08 07:15 12400 18.35 USGS 02218300 2006-01-25 07:30 4790 12.49 USGS 02218300 2007-03-02 18:45 10700 17.26 USGS 02218300 2008-04-06 18:00 2410 8.73 USGS 02218300 2009-09-22 15:30 10300 17.00 USGS 02218300 2009-10-15 15000 19.76 USGS 02218300 2011-03-29 04:30 7560 15.00 USGS 02218300 2012-03-04 13:00 3340 10.36 USGS 02218300 2013-05-07 18:30 7970 15.32 USGS 02218300 2014-01-12 11:45 10400 16.44 USGS 02218300 2015-04-20 16:30 6740 12.43 USGS 02218300 2015-12-31 00:15 19200 21.53 USGS 02218300 2017-04-06 8240 14.20 USGS 02218300 2018-04-26 00:15 7880 13.73 USGS 02218300 2019-04-21 17:15 16700 19.58 USGS 02218300 2020-02-08 17:15 15600 18.91 USGS 02218300 2021-05-06 11:00 6730 12.89 USGS 02218300 2021-10-08 11:45 11800 16.68 USGS 02218300 2023-01-05 08:00 12600 17.22