# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-03 11:32:48 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 07097000 ARKANSAS RIVER AT PORTLAND, CO. # # 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 07097000 1939-08-19 4290 6 5.68 USGS 07097000 1940-08-19 3970 6 5.46 USGS 07097000 1941-07-01 7580 6 7.25 USGS 07097000 1942-08-13 16000 6 10.40 USGS 07097000 1943-07-24 4560 6 5.33 USGS 07097000 1944-07-05 9720 6 8.12 USGS 07097000 1945-08-07 7710 6 6.86 USGS 07097000 1946-07-15 13200 6 9.57 USGS 07097000 1947-07-08 13500 6 9.72 USGS 07097000 1948-05-30 8030 6 7.14 USGS 07097000 1949-06-05 21100 6 12.18 USGS 07097000 1950-07-23 5340 6 6.02 USGS 07097000 1951-07-12 5720 6 6.19 USGS 07097000 1952-06-16 5080 6 5.69 USGS 07097000 1965-08-21 23900 6,7 11.85 USGS 07097000 1975-08-02 10200 6 10.09 6 USGS 07097000 1976-08-02 12800 6 11.26 USGS 07097000 1977-07-27 4110 6 6.36 USGS 07097000 1978-06-04 4200 6 6.40 USGS 07097000 1979-06-09 5170 6 7.06 USGS 07097000 1980-06-12 7300 6 8.38 USGS 07097000 1981-08-15 3840 6 6.12 USGS 07097000 1982-07-28 6910 6 8.28 USGS 07097000 1983-06-26 7300 6 8.55 USGS 07097000 1984-08-17 7620 6 8.70 USGS 07097000 1985-07-23 8460 6 8.93 USGS 07097000 1986-06-08 5160 6 7.02 USGS 07097000 1987-06-10 6060 6 7.69 USGS 07097000 1988-07-07 6750 6 8.15 USGS 07097000 1989-08-09 4030 6 6.17 USGS 07097000 1990-07-19 4710 6 6.74 USGS 07097000 1991-08-12 7930 6 8.81 USGS 07097000 1992-08-17 6730 6 8.03 USGS 07097000 1993-07-14 5380 6 7.20 USGS 07097000 1994-06-21 4280 6 6.37 2 1994-06-02 6.48 USGS 07097000 1995-06-18 7470 6 8.51 USGS 07097000 1996-05-20 4620 6 6.64 USGS 07097000 1997-06-07 6360 6 7.70 USGS 07097000 1998-07-09 3480 6 5.67 USGS 07097000 1999-06-24 20:30 6190 6 8.03 USGS 07097000 2000-06-01 12:00 3600 6 5.64 USGS 07097000 2001-05-28 22:00 3060 6 4.99 USGS 07097000 2002-07-06 4110 6 6.16 USGS 07097000 2003-06-02 13:15 3820 6 5.93 USGS 07097000 2004-06-09 17:45 2540 6 4.72 USGS 07097000 2005-05-28 19:00 3060 6 5.19 USGS 07097000 2006-07-06 15900 2,6 12.94 USGS 07097000 2007-06-26 19:15 3310 6 5.74