# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-19 05:46:55 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 07381600 Lower Atchafalaya River at Morgan City, LA # # 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 07381600 1969-12-31 18:00 10.33 5 USGS 07381600 1978-08-29 1978-08-29 4.61 USGS 07381600 1979-05-04 1979-05-04 6.71 USGS 07381600 1980-04-13 1980-04-13 5.97 USGS 07381600 1981-06-15 1981-06-15 3.84 USGS 07381600 1982-06-27 1982-06-27 4.34 6 USGS 07381600 1983-06-07 1983-06-07 7.11 USGS 07381600 1984-05-20 1984-05-20 6.35 6 USGS 07381600 1985-03-30 1985-03-30 5.82 6 USGS 07381600 1985-10-28 1985-10-28 5.35 USGS 07381600 1987-03-17 1987-03-17 5.51 USGS 07381600 1988-02-19 1988-02-19 4.68 USGS 07381600 1989-06-28 1989-06-28 6.00 USGS 07381600 1990-06-15 1990-06-15 6.66 USGS 07381600 1991-05-09 1991-05-09 7.36 USGS 07381600 1992-08-25 1992-08-25 8.54 USGS 07381600 1993-08-25 1993-08-25 8.54 USGS 07381600 1994-05-11 1994-05-11 7.14 USGS 07381600 1995-06-24 373000 1 1995-06-19 6.69 USGS 07381600 1996-06-15 265000 1 1996-06-12 5.76 USGS 07381600 1997-04-05 1997-04-05 8.24 USGS 07381600 1998-04-04 303000 1 1998-05-21 6.44 USGS 07381600 1999-03-26 257000 1 1999-02-19 6.37 USGS 07381600 2000-07-07 178000 1 2000-04-23 4.52 6 USGS 07381600 2001-03-15 265000 6.29 USGS 07381600 2002-04-17 317000 6.12 2 2002-06-10 6.56 USGS 07381600 2003-03-15 300000 5.73 2 2002-10-03 7.13 USGS 07381600 2004-02-25 216000 4.93 2 2004-07-03 5.43 USGS 07381600 2005-02-03 319000 6.75 2 2005-09-24 7.24 USGS 07381600 2006-03-28 185000 3.32 2 2006-03-09 4.18 USGS 07381600 2007-01-30 271000 5.48 2 2007-02-02 5.98 USGS 07381600 2008-04-25 366000 7.81 2 2008-05-03 8.19 USGS 07381600 2009-05-31 11:15 328000 6.90 2 2009-05-26 1515 7.20 USGS 07381600 2010-02-16 06:15 268000 6.25 2 2010-02-21 1615 6.52 USGS 07381600 2011-05-29 15:45 512000 10.18 2 2011-05-29 1100 10.33 USGS 07381600 2011-12-28 12:45 218000 5.38 2 2011-12-26 2145 5.61 USGS 07381600 2013-05-22 13:15 265000 6.13 2 2013-05-22 1300 6.29 USGS 07381600 2014-04-25 08:45 197000 4.81 2 2014-04-28 0600 5.36 USGS 07381600 2015-04-04 15:15 291000 5.57 2 2015-07-31 1645 6.45 USGS 07381600 2016-01-22 14:15 420000 8.05 2 2016-01-22 0030 8.28 USGS 07381600 2017-05-31 05:00 320000 7.26 2 2017-06-05 1830 7.47 USGS 07381600 2018-03-22 01:45 340000 2 7.83 2 2018-03-24 1615 7.99 USGS 07381600 2019-03-15 16:15 390000 8.17 2 2019-07-13 1730 10.33 USGS 07381600 2020-04-16 10:00 334000 7.54 2 2020-04-20 0115 8.04 USGS 07381600 2021-04-16 07:00 266000 6.77 2 2021-04-14 0745 7.28 USGS 07381600 2022-03-24 05:15 225000 5.17 2 2022-03-30 1900 5.85 USGS 07381600 2023-03-25 04:45 204000 5.16 2 2023-04-16 0215 5.81