# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-16 14:01:59 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 11525500 TRINITY R A LEWISTON 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 11525500 1860-12-00 21.60 Bd USGS 11525500 1881-01-00 20.40 Bd USGS 11525500 1912-01-25 11600 10.50 USGS 11525500 1912-11-09 8050 8.90 USGS 11525500 1914-01-02 26900 16.70 USGS 11525500 1915-02-02 23000 15.20 USGS 11525500 1916-03-20 23500 15.40 USGS 11525500 1917-02-25 10600 10.10 USGS 11525500 1918-04-09 8050 8.90 USGS 11525500 1919-02-09 21800 14.70 USGS 11525500 1920-05-18 3060 5.85 USGS 11525500 1920-11-18 18500 13.40 USGS 11525500 1922-05-18 7700 8.55 USGS 11525500 1923-05-09 4530 6.85 USGS 11525500 1924-02-07 8920 9.20 USGS 11525500 1925-02-04 20000 14.00 USGS 11525500 1926-04-08 17100 12.80 USGS 11525500 1926-11-30 31900 18.30 USGS 11525500 1928-03-26 28700 17.20 USGS 11525500 1929-02-04 4690 7.05 USGS 11525500 1929-12-14 24800 15.80 USGS 11525500 1931-06-16 5180 7.32 6 USGS 11525500 1932-03-19 8840 9.27 USGS 11525500 1933-03-28 8600 9.44 USGS 11525500 1934-03-28 12400 11.21 USGS 11525500 1935-04-15 8970 9.73 USGS 11525500 1936-02-21 16500 13.00 USGS 11525500 1937-04-13 13500 13.50 USGS 11525500 1937-12-11 37000 19.90 USGS 11525500 1939-03-13 4370 9.16 USGS 11525500 1940-02-28 40300 20.80 USGS 11525500 1941-03-01 32500 20.30 USGS 11525500 1941-12-16 28900 18.98 USGS 11525500 1943-03-29 7350 12.03 USGS 11525500 1944-05-07 5560 11.10 USGS 11525500 1945-02-02 8990 12.35 USGS 11525500 1945-12-29 21400 16.35 USGS 11525500 1946-11-22 8390 12.33 USGS 11525500 1948-01-07 39700 21.10 USGS 11525500 1949-03-18 15700 14.78 USGS 11525500 1950-04-21 6360 11.08 USGS 11525500 1950-10-30 39300 21.00 USGS 11525500 1952-02-02 19500 15.80 USGS 11525500 1953-01-09 17900 15.32 USGS 11525500 1954-03-09 19700 15.89 USGS 11525500 1955-05-21 6880 11.13 USGS 11525500 1955-12-22 71600 27.30 USGS 11525500 1957-02-24 23500 16.99 USGS 11525500 1958-02-24 37500 20.56 USGS 11525500 1959-01-12 21200 14.80 6 USGS 11525500 1960-02-08 17900 13.88 USGS 11525500 1960-12-27 1200 6 6.26 USGS 11525500 1962-03-05 1670 6 6.73 USGS 11525500 1963-04-20 12700 6 12.38 USGS 11525500 1964-01-20 570 6 4.99 USGS 11525500 1965-07-31 392 6 3.75 USGS 11525500 1966-05-09 1030 6 4.66 USGS 11525500 1967-05-30 2640 6 6.00 USGS 11525500 1968-07-27 273 6 3.38 USGS 11525500 1969-06-06 1450 6 5.15 USGS 11525500 1970-01-27 6500 6 8.10 USGS 11525500 1971-05-09 864 6 4.48 USGS 11525500 1972-07-29 276 6 3.48 USGS 11525500 1973-07-28 644 6 4.19 USGS 11525500 1974-01-18 14400 6 10.41 USGS 11525500 1975-05-20 2260 6 5.94 USGS 11525500 1976-01-22 1060 6 4.82 USGS 11525500 1976-11-15 267 6 3.47 USGS 11525500 1978-07-24 754 6 4.86 USGS 11525500 1979-03-01 923 6 4.87 USGS 11525500 1980-02-29 2860 6 6.55 USGS 11525500 1980-12-15 961 6 4.72 USGS 11525500 1981-12-20 4870 6 7.40 USGS 11525500 1983-06-11 8780 6 8.52 USGS 11525500 1984-01-11 6480 6 7.79 USGS 11525500 1985-02-08 860 6 4.66 USGS 11525500 1986-03-15 6320 6 7.74 USGS 11525500 1987-05-01 827 6 4.62 USGS 11525500 1988-05-12 634 6 4.35 USGS 11525500 1989-05-09 1980 6 5.84 USGS 11525500 1990-05-15 691 6 4.39 USGS 11525500 1991-05-31 2860 6,C 6.48 USGS 11525500 1992-06-13 6580 6,C 7.72 USGS 11525500 1993-04-13 3270 6,C 6.50 USGS 11525500 1994-04-10 1630 6,C 5.46 USGS 11525500 1995-03-24 7060 6,C 7.78 USGS 11525500 1996-02-21 6390 6,C 7.56 USGS 11525500 1997-01-26 6970 6,C 7.85 USGS 11525500 1998-06-12 6190 6,C 7.63 USGS 11525500 1999-05-12 2000 6,C 5.72 USGS 11525500 2000-03-06 5430 6,C 7.37 USGS 11525500 2001-05-09 2140 6,C 5.81 USGS 11525500 2002-05-03 6570 6,C 7.75 USGS 11525500 2003-05-01 2780 6,C 6.20 USGS 11525500 2004-05-17 6350 6,C 7.68 USGS 11525500 2005-05-10 7640 6,C 8.07 USGS 11525500 2006-05-24 10400 6,C 8.82 USGS 11525500 2007-05-01 4810 6,C 7.03 USGS 11525500 2008-05-08 6890 6,C 7.76 2 2008-05-07 7.77 USGS 11525500 2009-05-01 4630 6,C 7.08 USGS 11525500 2010-05-03 7480 6,C 7.92 USGS 11525500 2011-05-04 12300 6,C 21.24 6 USGS 11525500 2012-05-07 6180 6,C 18.44 USGS 11525500 2013-05-03 4590 6,C 17.71 USGS 11525500 2014-09-18 3460 6,C 16.89 USGS 11525500 2015-05-04 8830 6,C 19.69 2 2015-05-04 1300 19.71 USGS 11525500 2016-05-09 9600 6,C 20.41 USGS 11525500 2017-04-26 12000 6 21.34 USGS 11525500 2018-05-13 07:45 2040 6 15.77 USGS 11525500 2019-04-29 19:15 10800 6 20.85 USGS 11525500 2020-04-23 19:30 3970 6 17.29 USGS 11525500 2021-04-28 06:30 4070 6 17.36 USGS 11525500 2022-04-21 03:15 6030 6 18.52 USGS 11525500 2023-04-21 22:30 10500 6 20.68