# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-10-03 09:43:18 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 11048600 BONITA C A 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 11048600 2001-11-24 20.0 C 10.54 USGS 11048600 2003-03-16 610 C 11.20 USGS 11048600 2004-02-26 490 C 11.26 USGS 11048600 2004-10-27 3710 C 14.89 USGS 11048600 2006-04-04 415 C 12.07 USGS 11048600 2007-09-22 81.0 C 11.23 USGS 11048600 2008-01-05 494 C 12.18 USGS 11048600 2008-11-26 832 C 12.63 USGS 11048600 2010-02-06 519 C 12.47 USGS 11048600 2010-12-22 1360 C 13.55 USGS 11048600 2012-12-13 73.0 C 11.14 2 2012-12-24 11.16 USGS 11048600 2014-02-28 492 C 12.38 USGS 11048600 2015-09-15 503 C 12.39 USGS 11048600 2016-01-05 170 C 11.58 USGS 11048600 2017-01-22 887 C 12.99 USGS 11048600 2018-01-09 18:15 144 C 11.47 USGS 11048600 2019-02-14 06:30 1550 C 13.74 USGS 11048600 2020-04-06 10:30 705 C 12.73 USGS 11048600 2021-01-23 14:00 172 C 11.55 USGS 11048600 2021-12-14 11:00 335 2,C 12.02 USGS 11048600 2023-03-15 05:15 11.98