# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-03-28 21:53:01 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 11092450 LOS ANGELES R A SEPULVEDA DAM CA # # 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 11092450 1930-03-15 389 USGS 11092450 1931-02-04 1800 USGS 11092450 1932-02-08 2000 USGS 11092450 1933-01-19 1720 USGS 11092450 1934-01-01 7380 USGS 11092450 1935-01-05 886 USGS 11092450 1936-02-12 286 USGS 11092450 1937-02-14 2630 USGS 11092450 1938-03-02 12000 2 USGS 11092450 1938-12-15 2980 USGS 11092450 1940-01-08 2690 USGS 11092450 1941-02-20 6610 6 20.70 6 USGS 11092450 1941-12-28 1040 6 6.23 USGS 11092450 1943-01-23 2710 6 9.75 USGS 11092450 1944-02-22 5030 6 USGS 11092450 1945-02-02 1000 6 2.10 USGS 11092450 1945-12-21 2500 6 6.64 USGS 11092450 1946-12-26 881 6 4.11 USGS 11092450 1948-03-24 284 6 3.38 USGS 11092450 1948-12-17 149 6 2.50 USGS 11092450 1950-02-06 400 2,6 USGS 11092450 1951-01-29 297 6 3.53 USGS 11092450 1952-01-15 8520 6 14.56 USGS 11092450 1952-12-01 1480 6 5.91 6 USGS 11092450 1954-02-13 4000 6 4.89 USGS 11092450 1955-01-18 2220 6 3.39 USGS 11092450 1956-01-26 4670 6 5.48 USGS 11092450 1957-01-13 3160 6 4.27 USGS 11092450 1957-12-15 8980 6 8.45 USGS 11092450 1959-01-06 8880 6 8.39 USGS 11092450 1960-01-11 4860 6 5.58 USGS 11092450 1960-11-05 5230 6 5.86 USGS 11092450 1962-02-12 11400 6 10.00 USGS 11092450 1963-02-09 6900 6 7.07 USGS 11092450 1964-01-22 5140 6 5.79 USGS 11092450 1965-04-09 5540 6 6.10 USGS 11092450 1965-12-29 13000 6 10.98 USGS 11092450 1966-11-07 11000 6 9.70 USGS 11092450 1968-03-08 11300 6 9.91 USGS 11092450 1969-01-25 13800 6 11.42 USGS 11092450 1970-02-28 8180 6 7.92 USGS 11092450 1970-11-29 12300 6 10.57 USGS 11092450 1971-12-27 7580 6 7.52 USGS 11092450 1973-02-11 11200 6 9.86 USGS 11092450 1974-01-07 9970 6 9.11 USGS 11092450 1974-12-04 11400 6 10.02 USGS 11092450 1976-02-09 5740 6 6.27 USGS 11092450 1977-05-08 9510 6 8.85 USGS 11092450 1978-03-04 14700 6 12.04 USGS 11092450 1979-03-27 11200 6 9.92 USGS 11092450 2003-02-12 14500 6 12.01 USGS 11092450 2004-02-26 11000 6 9.82 USGS 11092450 2004-12-28 14700 6 12.09 USGS 11092450 2006-01-02 11600 6 10.19 USGS 11092450 2007-09-22 6060 6 6.51 USGS 11092450 2008-01-27 11400 6 10.09 USGS 11092450 2009-02-16 10700 6 9.62 USGS 11092450 2010-02-06 14500 6 11.98 USGS 11092450 2011-03-20 19600 6 14.79 USGS 11092450 2012-04-13 13300 6 11.28 USGS 11092450 2013-03-08 7040 6 7.22 USGS 11092450 2014-02-28 11300 6 10.00 USGS 11092450 2014-12-12 9290 6 8.73 USGS 11092450 2016-03-06 11000 6 9.80 USGS 11092450 2017-02-17 16800 6 13.28 USGS 11092450 2018-01-09 15:52 9710 6 9.00 USGS 11092450 2019-02-02 11:50 10600 6 9.76 USGS 11092450 2020-04-06 07:15 12200 6 10.73 USGS 11092450 2020-12-28 16:15 6020 6 6.73 USGS 11092450 2021-12-14 08:30 10500 6 9.75 USGS 11092450 2023-02-25 07:00 12700 6 11.02