# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-17 23:32:53 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 02234500 ST. JOHNS RIVER NEAR SANFORD, 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 02234500 1987-12-07 3710 1 1987-12-07 1200 3.44 USGS 02234500 1989-02-03 2730 1 1988-10-10 2.57 USGS 02234500 1995-11-01 8090 1 1995-10-24 5.90 USGS 02234500 1997-08-17 4560 1 1996-10-18 3.78 USGS 02234500 1998-03-11 9020 1 1998-03-09 6.35 USGS 02234500 1998-10-12 3620 1 1998-10-08 3.19 USGS 02234500 1999-11-05 9840 1 1999-11-02 5.99 USGS 02234500 2001-09-28 8630 1 2001-09-25 5.84 USGS 02234500 2002-09-08 10000 1 2002-09-07 5.86 USGS 02234500 2003-01-11 6800 1 2003-01-12 4.38 USGS 02234500 2003-11-18 3630 1 2003-10-11 4.12 USGS 02234500 2004-10-06 11400 1 2004-10-05 7.51 USGS 02234500 2005-11-08 8720 1 2005-11-06 5.67 USGS 02234500 2007-08-11 2770 1 2007-09-26 2.61 USGS 02234500 2008-09-01 12800 1 2008-09-03 7.89 USGS 02234500 2009-09-27 4670 1 2009-06-05 3.66 USGS 02234500 2010-04-09 4680 1 2010-04-07 2.92 USGS 02234500 2011-07-27 2190 1 2011-09-23 2.03 USGS 02234500 2011-11-15 6540 1 2011-11-12 4.30 USGS 02234500 2013-09-05 4630 1 2013-08-31 3.22 USGS 02234500 2014-03-16 2010 1 2014-03-08 2.04 USGS 02234500 2014-10-13 7610 1 2014-10-10 4.86 USGS 02234500 2015-10-16 4200 1 2015-10-08 4.15 USGS 02234500 2016-10-26 5830 1 2017-09-23 7.23 USGS 02234500 2017-10-15 12500 1 2018-08-01 1930 5.36 USGS 02234500 2019-09-13 5240 1 2019-09-09 1600 4.05 USGS 02234500 2019-10-25 4300 1 2019-10-19 1215 3.73 USGS 02234500 2020-10-06 6200 1 2020-10-10 2130 4.75 USGS 02234500 2022-04-12 3770 1 2021-11-10 1515 3.41 USGS 02234500 2022-10-08 16800 1 2022-10-09 1300 8.95