# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-27 18:59:15 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 02246500 ST. JOHNS RIVER AT JACKSONVILLE, FL # # 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 02246500 1988-09-09 40600 1 1988-09-08 12.67 USGS 02246500 1989-09-30 35100 1 1989-09-28 13.01 USGS 02246500 1989-11-01 42500 1 1989-10-30 12.81 USGS 02246500 1991-08-20 50800 1 1991-06-07 13.17 USGS 02246500 1992-01-24 49700 1 1992-09-26 13.72 USGS 02246500 1996-10-09 58200 1 1996-10-08 13.24 USGS 02246500 1998-02-18 73500 1 1998-02-03 13.13 USGS 02246500 1999-09-16 49400 1 1999-09-16 1300 13.11 USGS 02246500 2000-09-18 55300 1 2000-09-18 1300 13.21 USGS 02246500 2001-09-17 58200 1 2001-09-16 14.23 USGS 02246500 2002-09-27 44000 1 USGS 02246500 2003-01-08 44300 1 2002-10-15 13.20 USGS 02246500 2004-09-27 120000 1 2004-09-26 15.00 USGS 02246500 2005-03-01 52200 1 2005-09-08 13.17 USGS 02246500 2006-07-13 69000 1,2 2005-10-05 13.47 USGS 02246500 2007-06-03 51300 1 2007-09-20 13.04 USGS 02246500 2008-08-23 93400 1 2008-08-22 15.12 USGS 02246500 2009-05-22 59000 1 2009-05-20 13.82 USGS 02246500 2010-01-25 38800 1 2009-12-18 12.92 USGS 02246500 2010-12-12 35900 1 2011-08-26 12.92 USGS 02246500 2012-06-29 52500 1 2012-05-28 14.24 USGS 02246500 2013-05-06 46800 1 2013-05-04 13.88 USGS 02246500 2013-11-27 37200 1 2013-10-16 13.30 USGS 02246500 2014-12-13 28700 1 2015-09-29 13.59 USGS 02246500 2016-09-02 33600 1 2015-10-06 13.67 USGS 02246500 2017-09-12 137000 1 2017-09-11 16.12 USGS 02246500 2017-10-23 46200 1 2017-10-01 2045 14.11 USGS 02246500 2018-12-21 52500 1 2019-09-05 0345 13.23 USGS 02246500 2020-09-23 38300 1 2020-09-22 0130 13.52 USGS 02246500 2020-12-25 38700 1 2020-11-10 1615 13.20 USGS 02246500 2021-12-25 34400 1 2022-09-30 1445 14.52 USGS 02246500 2022-10-01 82200 1 2022-11-10 1400 15.00