# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-07 10:47:57 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 09421500 COLORADO RV BLW HOOVER DAM, AZ-NV # # 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 09421500 1934-05-19 25600 6 35.15 USGS 09421500 1935-06-23 19400 6 32.90 USGS 09421500 1936-07-09 11800 6 USGS 09421500 1937-09-02 16000 6 USGS 09421500 1938-07-02 19900 6 31.99 USGS 09421500 1939-02-13 51200 6 54.96 3 USGS 09421500 1940-09-28 22900 6 47.60 USGS 09421500 1941-06-16 38200 6 52.26 USGS 09421500 1942-01-16 40000 6 52.40 USGS 09421500 1942-10-08 27000 6 48.62 USGS 09421500 1944-03-13 28800 6 48.94 USGS 09421500 1945-06-19 28600 6 48.85 USGS 09421500 1946-05-20 27600 6 49.42 USGS 09421500 1947-03-18 28500 6 49.78 USGS 09421500 1948-01-29 29500 6 50.18 USGS 09421500 1949-04-14 31500 6 50.67 USGS 09421500 1950-03-13 30200 6 50.50 USGS 09421500 1951-01-10 28100 6 49.74 USGS 09421500 1952-05-14 38800 6 53.74 USGS 09421500 1953-04-27 30600 6 51.88 USGS 09421500 1954-05-12 33700 6 54.00 USGS 09421500 1955-05-31 32400 6 52.98 USGS 09421500 1956-03-23 28900 6 51.00 2,5 1956-05-03 52.05 1 USGS 09421500 1957-06-24 29600 6 51.48 USGS 09421500 1958-03-07 30000 1,6 USGS 09421500 1959-05-28 21400 1,6 USGS 09421500 1960-07-18 22700 1,6 USGS 09421500 1961-04-03 19800 1,6 USGS 09421500 1962-04-23 18300 1,6 USGS 09421500 1963-05-16 19000 1,6 USGS 09421500 1964-04-03 19700 1,6 USGS 09421500 1965-04-30 18900 1,6 USGS 09421500 1966-07-20 18900 1,6 USGS 09421500 1967-03-29 22800 1,6 USGS 09421500 1968-04-17 19200 1,6 USGS 09421500 1969-05-28 19500 1,6 USGS 09421500 1970-05-28 21300 1,6 USGS 09421500 1971-04-28 21000 1,6 USGS 09421500 1972-03-31 22400 1,6 USGS 09421500 1973-05-23 22200 1,6 USGS 09421500 1974-01-03 23300 1,6 USGS 09421500 1975-05-22 20900 1,6 USGS 09421500 1976-08-26 22900 1,6 USGS 09421500 1977-04-25 25000 1,6 USGS 09421500 1978-05-22 25900 1,6 USGS 09421500 1979-05-04 22300 1,6 USGS 09421500 1980-05-23 28700 1,6 USGS 09421500 1980-10-31 24200 1,6 USGS 09421500 1982-04-27 23200 1,6 USGS 09421500 1983-07-29 50800 1,6 USGS 09421500 1984-06-25 37500 1,6 USGS 09421500 1984-12-31 36600 1,6 USGS 09421500 1986-06-06 37000 1,6 USGS 09421500 1987-01-07 33000 1,6 USGS 09421500 1988-08-05 20600 1,6 USGS 09421500 1989-05-31 21800 1,6 USGS 09421500 1990-07-12 22100 1,6 USGS 09421500 1991-05-29 20200 1,6 USGS 09421500 1992-05-26 19700 1,6 USGS 09421500 1993-05-26 23400 1,6 USGS 09421500 1994-03-22 24400 1,6 USGS 09421500 1995-04-20 23700 1,6 USGS 09421500 1996-04-26 26000 1,6 USGS 09421500 1997-01-31 24600 1,6 USGS 09421500 1998-09-18 29600 1,6 USGS 09421500 1998-12-21 31400 1,6 USGS 09421500 1999-10-30 28100 1,6 USGS 09421500 2001-03-31 33700 1,6 USGS 09421500 2002-06-27 25400 1,6 USGS 09421500 2003-04-23 24500 1,6 USGS 09421500 2004-05-28 26100 1,6 USGS 09421500 2005-04-20 23900 1,6 USGS 09421500 2006-05-31 23800 1,6 USGS 09421500 2007-04-27 25300 1,6 USGS 09421500 2008-04-24 23700 1,6 USGS 09421500 2009-04-28 25600 1,6 USGS 09421500 2010-06-19 21400 1,6 USGS 09421500 2011-04-08 23300 1,6 USGS 09421500 2012-04-13 26200 1,6 USGS 09421500 2013-05-28 24800 1,6 USGS 09421500 2014-05-22 25200 1,6 USGS 09421500 2015-04-30 26200 1,6 USGS 09421500 2016-03-30 23600 1,6