# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-24 09:00:38 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 11087020 SAN GABRIEL R AB WHITTIER NARROWS 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 11087020 1956-01-26 12000 2,6,C 8.16 USGS 11087020 1957-03-01 3250 6,C 7.15 USGS 11087020 1964-01-22 3120 6,C 6.18 USGS 11087020 1965-04-09 9460 6,C 7.04 USGS 11087020 1965-11-23 11600 6,C 7.68 USGS 11087020 1967-01-24 17300 6,C 8.25 USGS 11087020 1968-03-08 14200 6,C 7.85 USGS 11087020 1969-01-25 46600 6,C 10.90 USGS 11087020 1970-03-04 6120 6,C 6.62 USGS 11087020 1970-12-21 7500 6,C 6.65 USGS 11087020 1971-12-24 12100 6,C 7.23 USGS 11087020 1973-01-16 13300 6,C 7.43 USGS 11087020 1974-01-07 9800 6,C 6.85 USGS 11087020 1974-12-04 19800 6,C 8.50 USGS 11087020 1976-09-10 4880 6,C 6.20 USGS 11087020 1977-03-25 5510 6,C 6.34 USGS 11087020 1978-03-04 30800 6,C 9.66 USGS 11087020 1979-01-30 14200 6,C 7.61 USGS 11087020 1980-02-17 43800 6,C 10.70 USGS 11087020 1981-03-01 10800 6,C 7.09 USGS 11087020 1982-03-17 11700 6,C 7.26 USGS 11087020 1983-02-27 38800 6,C 10.50 USGS 11087020 1983-10-01 13100 6,C 7.48 USGS 11087020 1984-12-18 12100 6,C 7.32 USGS 11087020 1986-02-15 15600 6,C 7.84 USGS 11087020 1987-01-04 14900 6,C 7.74 USGS 11087020 1987-12-04 17800 6,C 8.14 USGS 11087020 1988-12-21 10600 6,C 7.09 USGS 11087020 1990-02-17 15900 6,C 7.88 USGS 11087020 1991-03-01 15900 6,C 7.88 USGS 11087020 1992-02-12 35700 6,C 10.19 USGS 11087020 1993-01-18 34000 6,C 10.01 USGS 11087020 1994-03-24 14100 6,C 7.62 USGS 11087020 1995-01-10 38900 6,C 10.51 USGS 11087020 1996-02-20 22900 6,C 8.78 USGS 11087020 1996-12-09 9260 6,C 7.24 USGS 11087020 1998-02-07 31200 6,C 10.90 USGS 11087020 1998-11-08 4430 6,C 6.36 USGS 11087020 2000-02-23 15000 6,C 8.57 USGS 11087020 2001-01-11 14200 6,C 8.44 USGS 11087020 2001-11-24 20900 6,C 9.52 USGS 11087020 2002-12-16 21600 6,C 9.62 USGS 11087020 2004-02-26 16700 6,C 8.77 USGS 11087020 2005-01-09 41900 6,C 10.80 USGS 11087020 2006-01-02 15800 6,C 7.87 USGS 11087020 2007-04-20 9730 6,C 6.95 USGS 11087020 2008-01-05 29800 6,C 9.56 USGS 11087020 2009-02-05 22000 6,C 9.68 USGS 11087020 2010-01-20 23800 6,C 9.94 USGS 11087020 2010-12-22 21300 6,C 9.58 USGS 11087020 2012-03-17 6270 6,C 6.84 USGS 11087020 2012-12-13 3380 6,C 6.05 USGS 11087020 2014-02-28 5070 6,C 6.96 USGS 11087020 2014-12-02 9450 6,C 7.55 USGS 11087020 2016-01-05 11200 6,C 7.90 USGS 11087020 2017-01-22 24300 6,C 10.01 USGS 11087020 2018-01-09 17:45 14500 6,C 8.50 USGS 11087020 2019-02-14 12:30 15600 6,C 8.68 USGS 11087020 2019-12-26 02:45 13200 6,C 8.27 USGS 11087020 2020-12-28 16:30 4270 6,C 6.36 USGS 11087020 2021-12-27 18:15 8430 6,C 7.37 USGS 11087020 2023-03-15 06:00 17700 6,C 9.02