# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-06-02 13:12:08 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 11087500 SAN GABRIEL R A PICO 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 11087500 1929-03-10 397 77.00 USGS 11087500 1930-01-11 1020 2.25 USGS 11087500 1931-02-04 404 1.79 USGS 11087500 1932-02-09 3830 3.70 USGS 11087500 1933-01-29 1450 2.36 USGS 11087500 1934-01-01 22000 6 USGS 11087500 1934-10-17 5400 6 USGS 11087500 1936-02-12 3400 6 USGS 11087500 1937-02-14 6970 6 USGS 11087500 1938-03-02 22700 6 USGS 11087500 1939-09-25 2110 6 USGS 11087500 1940-02-01 2110 6 USGS 11087500 1941-03-13 6070 6 USGS 11087500 1941-12-10 412 6 USGS 11087500 1943-01-23 14800 6 9.10 USGS 11087500 1944-02-22 14100 6 8.95 USGS 11087500 1944-11-12 4210 6 6.65 USGS 11087500 1945-12-23 4660 6 6.80 USGS 11087500 1946-12-30 3240 6 6.25 USGS 11087500 1948-02-06 84.0 6 5.93 USGS 11087500 1949-01-20 144 6 6.57 USGS 11087500 1950-02-06 845 6 9.84 USGS 11087500 1951-01-30 27.0 6 5.03 USGS 11087500 1952-01-16 14000 6 10.86 6 USGS 11087500 1952-12-02 1450 6 8.26 USGS 11087500 1954-02-13 5450 6 9.33 USGS 11087500 1955-01-18 1590 6 8.72 USGS 11087500 1956-01-26 12400 6 10.90 USGS 11087500 1957-03-01 3600 6 8.97 USGS 11087500 1958-04-07 6890 6 10.27 USGS 11087500 1959-01-06 3870 6 9.37 USGS 11087500 1960-01-12 2390 6 9.15 USGS 11087500 1961-01-26 1330 6 8.70 USGS 11087500 1962-02-11 8810 6 10.31 USGS 11087500 1963-03-16 4320 6 9.13 USGS 11087500 1964-01-22 3380 6 8.69 USGS 11087500 1965-04-09 5590 6 9.57 USGS 11087500 1966-02-06 2670 6 7.83 USGS 11087500 1967-01-23 5680 6 9.50 USGS 11087500 1967-11-21 222 1,6 USGS 11087500 1969-01-26 11700 6 7.82 USGS 11087500 1970-03-04 5530 6 5.36 USGS 11087500 1970-12-21 4610 6 4.93 USGS 11087500 1971-12-24 6970 6 5.95 USGS 11087500 1973-02-11 5620 6 5.31 USGS 11087500 1974-01-04 6170 6 5.34 USGS 11087500 1974-12-04 7520 6 6.21 USGS 11087500 1976-09-10 1500 1,6 USGS 11087500 1977-01-03 4080 6 4.83 USGS 11087500 1978-03-01 7650 6 6.26