# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-17 01:24:42 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 073802334 LAKE PONTCHARTRAIN (IRISH BAYOU) NR SOUTH SHORE # # 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 073802334 1949-09-12 2.90 USGS 073802334 1950-08-30 4.32 USGS 073802334 1950-10-02 3.00 USGS 073802334 1952-05-19 3.05 USGS 073802334 1953-09-26 3.64 USGS 073802334 1954-09-17 4.50 USGS 073802334 1955-08-01 3.90 USGS 073802334 1956-09-24 4.50 USGS 073802334 1957-09-18 4.45 USGS 073802334 1958-09-05 3.48 USGS 073802334 1958-10-31 3.30 USGS 073802334 1960-09-15 3.68 USGS 073802334 1961-09-13 3.70 USGS 073802334 1961-11-03 4.16 USGS 073802334 1963-09-17 3.67 USGS 073802334 1964-09-07 3.05 USGS 073802334 1965-09-10 5.36 USGS 073802334 1966-05-06 4.08 USGS 073802334 1967-09-06 3.77 USGS 073802334 1967-10-31 2.69 USGS 073802334 1969-08-18 7.16 USGS 073802334 1970-06-01 3.38 USGS 073802334 1970-10-19 3.36 USGS 073802334 1971-12-03 4.32 USGS 073802334 1973-03-24 5.04 USGS 073802334 1974-09-08 4.73 USGS 073802334 1975-01-11 3.81 USGS 073802334 1975-11-02 3.40 USGS 073802334 1977-04-20 4.70 USGS 073802334 1978-05-03 4.19