# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-09 23:48:53 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 11023340 LOS PENASQUITOS C NR POWAY 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 11023340 1965-04-08 74.0 3.55 USGS 11023340 1965-11-23 1610 6.23 2 1965-11-23 1200 7.40 USGS 11023340 1966-12-06 2100 6.90 2 1966-12-06 1200 7.70 USGS 11023340 1968-03-08 256 3.22 USGS 11023340 1969-02-25 963 5.97 USGS 11023340 1970-02-28 260 3.64 USGS 11023340 1970-12-21 124 2.83 USGS 11023340 1971-12-27 49.0 2.51 USGS 11023340 1972-11-16 512 4.94 USGS 11023340 1974-01-08 608 5.46 USGS 11023340 1975-04-08 704 5.41 USGS 11023340 1976-02-08 577 5.07 USGS 11023340 1977-01-03 272 4.34 USGS 11023340 1978-03-01 4700 USGS 11023340 1979-01-06 1390 6.59 USGS 11023340 1980-02-21 4750 10.26 USGS 11023340 1981-03-01 466 4.57 USGS 11023340 1982-03-17 1860 7.31 USGS 11023340 1983-03-01 3660 9.33 USGS 11023340 1983-11-25 298 C 3.93 USGS 11023340 1984-12-27 526 C 4.75 USGS 11023340 1986-02-15 1590 C 6.91 USGS 11023340 1987-01-04 675 C 5.17 USGS 11023340 1988-04-21 1720 C 7.10 USGS 11023340 1988-12-25 634 C 5.06 USGS 11023340 1990-01-17 558 C 4.58 USGS 11023340 1991-03-27 3110 C 8.66 USGS 11023340 1992-02-15 2920 C 8.44 USGS 11023340 1993-01-18 2580 C 8.29 USGS 11023340 1994-02-17 1090 C 6.10 USGS 11023340 1995-01-04 4560 C 10.92 USGS 11023340 1996-03-13 958 C 6.21 USGS 11023340 1997-01-12 2370 C 8.63 USGS 11023340 1998-02-08 3280 C 9.71 USGS 11023340 1998-11-08 503 C 4.99 USGS 11023340 2000-02-23 994 C 6.37 USGS 11023340 2001-02-27 3160 C 9.55 USGS 11023340 2001-11-24 897 C 6.15 USGS 11023340 2003-02-12 2270 C 8.50 USGS 11023340 2004-02-23 976 C 7.19 USGS 11023340 2005-01-11 4760 C 11.48 USGS 11023340 2006-02-28 492 C 5.71 USGS 11023340 2007-02-19 740 C 6.46 USGS 11023340 2007-12-01 1670 C 8.29 USGS 11023340 2009-02-07 1680 C 8.17 USGS 11023340 2010-01-21 3920 C 10.52 USGS 11023340 2010-12-22 5730 C 11.93 USGS 11023340 2011-11-12 848 C 6.71 USGS 11023340 2012-12-13 1450 C 7.87 USGS 11023340 2014-03-01 727 C 6.61 USGS 11023340 2014-12-04 891 C 7.42 USGS 11023340 2016-01-05 4640 C 12.08 USGS 11023340 2017-02-27 5590 C 12.69 USGS 11023340 2018-01-09 21:15 1230 C 8.62 USGS 11023340 2019-02-14 15:07 3350 C 11.09 USGS 11023340 2020-04-10 18:15 3820 C 11.15 USGS 11023340 2021-01-29 05:45 403 C 6.55 USGS 11023340 2021-12-14 16:07 1070 C 8.53 USGS 11023340 2023-01-15 00:39 2650 C 10.13