# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-24 09:24:59 EST # # ---------------------------------- 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 09429500 COLORADO RIVER BELOW IMPERIAL DAM, AZ-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 09429500 1960-12-07 3120 1,6 USGS 09429500 1962-01-04 1430 1,6 USGS 09429500 1962-10-09 4350 1,6 USGS 09429500 1964-01-18 2380 1,6 USGS 09429500 1964-11-23 1120 1,6 USGS 09429500 1965-12-20 4190 1,6 USGS 09429500 1967-09-02 2000 1,6 USGS 09429500 1968-07-08 3240 1,6 USGS 09429500 1969-01-15 1840 1,6 USGS 09429500 1970-03-03 5040 1,6 USGS 09429500 1971-08-22 1970 1,6 USGS 09429500 1971-10-01 1550 1,6 USGS 09429500 1972-10-01 3680 1,6 USGS 09429500 1974-01-09 1590 1,6 USGS 09429500 1975-04-11 2240 1,6 USGS 09429500 1976-09-26 3680 1,6 USGS 09429500 1977-08-18 5300 1,6 USGS 09429500 1978-03-01 3200 1,6 USGS 09429500 1978-12-19 2790 1,6 USGS 09429500 1980-06-29 3650 1,6 USGS 09429500 1981-01-15 2660 1,6 USGS 09429500 1982-08-25 2490 1,6 USGS 09429500 1983-08-18 30200 1,6 USGS 09429500 1983-10-08 25000 1,6 USGS 09429500 1985-02-06 16700 1,6 USGS 09429500 1986-06-01 17700 1,6 USGS 09429500 1986-12-28 12100 1,6 USGS 09429500 1988-08-29 1900 1,6 USGS 09429500 1990-09-04 1360 1,6 USGS 09429500 1991-09-07 2880 1,6 USGS 09429500 1992-03-08 3970 1,6 USGS 09429500 1992-12-29 2370 1,6 USGS 09429500 1994-05-08 2360 1,6 USGS 09429500 1995-04-21 2020 1,6 USGS 09429500 1996-09-01 1230 1,6 USGS 09429500 1997-09-18 4020 1,6 USGS 09429500 1998-02-04 7560 1,6 8095.00 USGS 09429500 1999-01-01 5190 1,6 USGS 09429500 1999-10-27 4180 1,6 USGS 09429500 2001-02-27 2970 1,6 USGS 09429500 2002-03-10 3580 1,6 USGS 09429500 2003-02-26 2940 1,6 USGS 09429500 2004-02-25 3320 1,6 USGS 09429500 2005-08-10 3100 1,6 USGS 09429500 2006-03-12 3240 1,6 USGS 09429500 2007-00-00 2540 1,6,Bm USGS 09429500 2008-08-31 3130 1,6 USGS 09429500 2009-04-12 3920 1,6 USGS 09429500 2010-03-08 2120 1,6 USGS 09429500 2011-04-10 3470 1,6 USGS 09429500 2012-07-14 5730 1,6 USGS 09429500 2013-07-21 3130 1,6 USGS 09429500 2016-04-10 14:00 11.04