# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-03 23:29:42 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 11299600 BLACK C NR COPPEROPOLIS 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 11299600 1983-11-24 2770 6.34 USGS 11299600 1985-02-08 965 4.64 USGS 11299600 1986-02-19 5200 9.10 USGS 11299600 1987-03-06 488 4.15 USGS 11299600 1988-01-17 15.0 2.58 USGS 11299600 1989-03-02 503 4.17 USGS 11299600 1990-02-16 96.0 3.26 USGS 11299600 1991-03-26 536 4.21 USGS 11299600 1992-02-12 1640 5.23 USGS 11299600 1993-01-17 1890 5.41 USGS 11299600 1994-02-20 117 3.29 USGS 11299600 1995-03-22 2680 6.23 USGS 11299600 1996-01-25 1620 5.25 USGS 11299600 1997-01-02 1940 5.50 USGS 11299600 1998-02-03 2690 6.24 USGS 11299600 1999-02-09 1930 5.49 USGS 11299600 2000-02-13 1880 5.45 USGS 11299600 2001-02-11 203 3.63 USGS 11299600 2002-03-07 795 4.54 USGS 11299600 2002-12-16 609 4.35 USGS 11299600 2004-02-26 765 4.51 USGS 11299600 2005-03-22 1420 5.16 USGS 11299600 2006-01-02 2690 6.23 USGS 11299600 2007-02-26 523 4.28 USGS 11299600 2008-02-03 494 4.40 USGS 11299600 2009-03-04 1230 5.15 USGS 11299600 2010-01-22 521 4.40 USGS 11299600 2010-12-29 1240 5.18 USGS 11299600 2012-04-13 438 4.22 USGS 11299600 2012-12-02 3400 6.28 USGS 11299600 2014-03-06 13.0 2.53 USGS 11299600 2015-02-08 1930 5.60 USGS 11299600 2015-12-22 1620 5.41 USGS 11299600 2017-02-20 4800 6.75 USGS 11299600 2018-03-22 11:00 369 4.16 USGS 11299600 2019-01-17 01:15 2880 6.07 USGS 11299600 2020-03-16 11:30 622 4.53 USGS 11299600 2021-01-28 10:00 313 4.05 USGS 11299600 2021-12-23 12:45 31.2 2.95 USGS 11299600 2023-03-11 16:00 5090 2 11.08