# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-20 04:18:28 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 11047500 ALISO C A EL TORO 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 11047500 1931-02-04 2.90 1 USGS 11047500 1932-02-01 508 4.85 USGS 11047500 1933-01-19 352 4.39 USGS 11047500 1934-01-01 495 6.35 USGS 11047500 1935-03-02 1240 8.10 USGS 11047500 1936-02-12 1420 8.60 USGS 11047500 1937-02-06 1950 11.20 USGS 11047500 1938-03-02 1280 10.30 USGS 11047500 1939-02-03 231 7.00 USGS 11047500 1940-02-03 528 USGS 11047500 1941-03-01 633 8.70 USGS 11047500 1942-04-11 20.0 5.80 USGS 11047500 1943-01-23 942 9.80 USGS 11047500 1944-02-22 881 9.62 USGS 11047500 1944-11-14 680 9.03 USGS 11047500 1945-12-22 183 7.25 USGS 11047500 1946-11-23 90.0 6.70 USGS 11047500 1947-12-05 103 6.90 USGS 11047500 1949-01-12 2.30 5.95 USGS 11047500 1950-02-06 85.0 6.59 USGS 11047500 1951-00-00 0.00 Bm USGS 11047500 1952-01-16 950 9.54 USGS 11047500 1952-12-01 133 5.95 USGS 11047500 1954-02-13 122 6.03 USGS 11047500 1955-01-18 15.0 6.08 USGS 11047500 1956-01-26 506 7.60 USGS 11047500 1957-01-13 2.10 5.65 USGS 11047500 1958-03-16 965 9.30 USGS 11047500 1959-01-06 2.00 5.95 USGS 11047500 1960-01-12 32.0 6.28 USGS 11047500 1961-00-00 0.00 Bm USGS 11047500 1962-02-15 73.0 2.63 6 USGS 11047500 1963-02-10 88.0 2.31 USGS 11047500 1963-11-20 67.0 2.37 USGS 11047500 1965-04-10 73.0 2.83 USGS 11047500 1965-12-29 277 4.51 USGS 11047500 1966-12-06 333 2.91 USGS 11047500 1968-03-08 75.0 1.68 USGS 11047500 1969-02-24 2500 11.00 USGS 11047500 1970-03-04 95.0 2.09 USGS 11047500 1970-12-19 35.0 2.00 USGS 11047500 1971-12-28 81.0 2.87 USGS 11047500 1973-02-11 710 4.69 USGS 11047500 1974-01-07 222 3.91 USGS 11047500 1974-12-04 40.0 1 USGS 11047500 1976-09-10 12.0 1 USGS 11047500 1977-05-08 13.0 1 USGS 11047500 1978-02-10 360 1.63 USGS 11047500 1979-01-05 2450 6.60 USGS 11047500 1980-02-16 1870 3.27