# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-06-10 19:16:36 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 California 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 11098500 LOS ANGELES R NR DOWNEY 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 11098500 1928-11-14 1010 6 USGS 11098500 1930-01-08 2210 6 USGS 11098500 1931-02-04 4360 6 6.49 USGS 11098500 1932-02-08 4780 6 8.17 USGS 11098500 1933-01-19 7070 6 9.66 USGS 11098500 1934-01-01 29400 6 11.20 USGS 11098500 1935-01-05 10400 6 6.71 USGS 11098500 1936-02-12 5730 6 USGS 11098500 1936-12-30 10100 6 USGS 11098500 1938-03-02 79700 6 USGS 11098500 1939-09-25 10800 6 USGS 11098500 1940-01-08 7610 6 6.80 USGS 11098500 1941-02-20 14800 6 8.15 USGS 11098500 1941-12-10 8210 6 6.42 USGS 11098500 1943-01-23 27500 6 10.60 USGS 11098500 1944-02-22 24800 6 8.25 USGS 11098500 1945-02-02 6970 6 5.75 USGS 11098500 1945-12-22 12500 6 6.57 USGS 11098500 1946-12-25 14900 6 7.30 USGS 11098500 1948-03-24 8980 6 6.95 USGS 11098500 1948-12-17 5300 6 6.43 USGS 11098500 1950-02-06 8480 6 2.67 6 USGS 11098500 1951-01-11 5480 6 2.25 USGS 11098500 1952-01-16 32900 6 7.98 USGS 11098500 1952-11-15 14100 6 4.95 USGS 11098500 1954-02-13 19500 6 5.75 USGS 11098500 1955-01-18 13700 6 4.60 USGS 11098500 1956-01-26 28900 6 8.35 USGS 11098500 1957-02-23 24600 6 5.90 6 USGS 11098500 1958-02-19 34100 6 6.89 USGS 11098500 1959-01-06 24200 6 6.12 USGS 11098500 1960-01-12 10700 6 4.51 USGS 11098500 1960-11-05 7810 6 3.93 USGS 11098500 1962-02-12 28400 6 7.08 USGS 11098500 1963-02-09 19300 6 5.93 USGS 11098500 1964-01-21 11400 6 4.62 USGS 11098500 1965-04-09 18700 6 5.80 USGS 11098500 1965-12-29 37100 6 7.17 USGS 11098500 1966-11-07 37000 6 7.16 USGS 11098500 1968-03-08 37400 6 7.20 USGS 11098500 1969-01-25 58000 6 9.18 USGS 11098500 1970-02-28 20900 6 5.50 USGS 11098500 1970-11-29 49800 6 8.40 USGS 11098500 1971-12-24 27400 6 6.20 USGS 11098500 1973-01-18 49000 6 8.33 USGS 11098500 1974-01-07 32300 6 6.69 USGS 11098500 1974-12-04 54000 6 8.80 USGS 11098500 1976-09-10 3390 1,6 USGS 11098500 1977-01-03 30900 6 6.75 USGS 11098500 1978-02-10 73600 6 10.35