# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-22 11:08:09 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 11048500 SAN DIEGO C AT CULVER DRIVE NR IRVINE 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 11048500 1950-02-06 244 2.38 USGS 11048500 1951-05-05 0.00 0.62 USGS 11048500 1952-01-18 4040 7.70 USGS 11048500 1952-12-01 1740 4.66 USGS 11048500 1954-02-13 722 2.95 USGS 11048500 1955-02-27 900 3.60 USGS 11048500 1956-01-26 914 3.93 USGS 11048500 1957-02-28 370 2.70 USGS 11048500 1958-03-16 1880 5.35 USGS 11048500 1959-01-06 835 3.50 USGS 11048500 1960-04-27 991 3.73 USGS 11048500 1960-11-06 1140 4.10 USGS 11048500 1962-02-20 734 3.79 USGS 11048500 1963-02-09 439 3.22 USGS 11048500 1963-11-20 2210 5.90 USGS 11048500 1965-04-01 410 3.20 USGS 11048500 1965-12-29 2550 6.15 USGS 11048500 1967-01-24 1620 5.10 USGS 11048500 1967-11-21 1880 5.42 USGS 11048500 1969-02-24 6700 11.46 USGS 11048500 1970-03-04 1060 4.34 USGS 11048500 1970-11-29 914 4.09 USGS 11048500 1971-12-28 448 3.24 USGS 11048500 1973-02-11 1840 5.45 USGS 11048500 1974-01-07 665 4.15 USGS 11048500 1974-12-04 2000 6.09 3 USGS 11048500 1976-02-09 1220 5.05 USGS 11048500 1977-01-06 840 14.87 6 USGS 11048500 1978-01-16 6300 18.41 USGS 11048500 1979-01-05 5550 18.21 USGS 11048500 1980-02-16 7720 21.17 USGS 11048500 1981-01-29 3470 17.01 USGS 11048500 1982-01-20 2220 15.67 USGS 11048500 1983-03-01 10400 14.48 6 USGS 11048500 1983-10-01 3120 6.79 USGS 11048500 1984-11-24 1260 4.78