# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-30 11:41:43 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 07381500 Atchafalaya R @ Krotz Springs, 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 07381500 1935-07-08 345000 34.42 USGS 07381500 1936-05-05 262000 1936-05-04 30.10 USGS 07381500 1937-02-28 443000 37.80 USGS 07381500 1938-04-29 358000 33.10 USGS 07381500 1939-04-05 370000 1939-04-06 33.60 USGS 07381500 1940-05-11 268000 29.00 USGS 07381500 1941-05-01 218000 24.86 USGS 07381500 1942-04-28 322000 1942-05-02 30.30 USGS 07381500 1943-06-10 381000 32.91 USGS 07381500 1944-05-22 447000 35.04 USGS 07381500 1945-04-29 575000 37.50 USGS 07381500 1946-01-31 416000 32.50 USGS 07381500 1947-05-09 403000 31.30 USGS 07381500 1948-04-26 423000 32.10 USGS 07381500 1949-03-05 487000 34.00 USGS 07381500 1950-03-06 624000 37.30 USGS 07381500 1951-03-19 405000 32.00 USGS 07381500 1952-04-19 413000 32.80 USGS 07381500 1953-05-29 405000 32.20 USGS 07381500 1954-05-17 230000 25.10 USGS 07381500 1955-04-15 423000 32.80 USGS 07381500 1956-03-04 347000 30.90 USGS 07381500 1957-06-13 467000 33.80 USGS 07381500 1958-05-23 446000 33.20 USGS 07381500 1959-03-03 305000 27.86 USGS 07381500 1960-04-26 329000 29.16 USGS 07381500 1961-05-31 500000 34.20 USGS 07381500 1962-04-13 477000 33.51 USGS 07381500 1963-04-06 396000 30.39 USGS 07381500 1964-04-03 350000 28.01 USGS 07381500 1965-04-21 30.00 USGS 07381500 1966-05-17 28.50 USGS 07381500 1967-06-04 25.60 USGS 07381500 1968-04-18 27.90 USGS 07381500 1969-02-23 29.35 USGS 07381500 1970-05-19 29.35 USGS 07381500 1971-03-15 26.45 USGS 07381500 1972-05-13 25.79 USGS 07381500 1973-05-15 38.40 USGS 07381500 1974-02-09 31.60 USGS 07381500 1975-04-17 35.43 USGS 07381500 1976-03-17 24.20 USGS 07381500 1977-04-23 21.75 USGS 07381500 1978-04-11 24.40 USGS 07381500 2022-08-29 12:30 3.35