# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-25 18:15:01 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 01030500 Mattawamkeag River near Mattawamkeag, Maine # # 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 01030500 1903-03-25 16400 2 USGS 01030500 1904-05-15 17000 2 USGS 01030500 1905-04-10 12400 2 USGS 01030500 1906-05-07 15700 2 USGS 01030500 1907-04-25 24000 2 USGS 01030500 1908-05-02 16800 2 USGS 01030500 1909-04-20 20400 2 USGS 01030500 1910-04-25 10500 2 USGS 01030500 1911-05-02 10900 2 USGS 01030500 1912-06-04 19600 2 USGS 01030500 1913-04-29 20200 2 USGS 01030500 1914-05-11 20600 2 USGS 01030500 1915-05-07 15800 2 USGS 01030500 1916-04-22 8920 2 USGS 01030500 1917-06-19 23700 2 USGS 01030500 1918-04-26 12100 2 USGS 01030500 1919-04-01 12600 2 USGS 01030500 1920-04-18 24800 2 USGS 01030500 1921-04-02 14900 2 USGS 01030500 1922-06-24 16900 2 USGS 01030500 1923-05-01 46600 2 USGS 01030500 1924-05-03 13600 2 USGS 01030500 1925-04-05 10200 2 USGS 01030500 1926-05-06 23100 2 USGS 01030500 1927-04-26 13500 2 USGS 01030500 1927-11-06 16900 2 USGS 01030500 1929-05-04 15700 2 USGS 01030500 1930-04-15 13000 2 USGS 01030500 1931-04-14 13200 2 USGS 01030500 1932-04-15 20700 2 USGS 01030500 1933-04-20 16800 2 USGS 01030500 1934-04-21 29400 2 USGS 01030500 1935-04-24 20800 11.97 USGS 01030500 1936-03-23 29200 15.34 USGS 01030500 1937-05-23 10500 7.99 USGS 01030500 1938-04-22 11900 8.61 USGS 01030500 1939-04-30 18000 11.00 USGS 01030500 1940-04-16 23600 13.15 USGS 01030500 1941-04-22 13400 9.15 USGS 01030500 1942-04-28 17000 10.65 USGS 01030500 1943-04-29 12900 8.96 USGS 01030500 1943-11-13 12900 8.99 USGS 01030500 1945-04-06 19200 11.47 USGS 01030500 1946-04-30 12900 9.00 USGS 01030500 1947-05-08 23900 13.30 USGS 01030500 1948-05-21 12900 8.95 USGS 01030500 1949-04-18 9950 7.78 USGS 01030500 1950-04-24 21100 12.22 USGS 01030500 1950-12-01 18600 11.25 USGS 01030500 1952-04-24 15500 10.03 USGS 01030500 1953-04-03 20900 12.17 USGS 01030500 1954-04-24 23500 13.15 USGS 01030500 1955-04-21 18900 11.38 USGS 01030500 1956-05-02 13600 9.30 USGS 01030500 1957-04-25 10200 7.90 USGS 01030500 1958-04-26 25400 13.90 USGS 01030500 1959-04-11 14400 9.60 2 1959-04-05 9.92 1 USGS 01030500 1959-12-01 17300 10.72 USGS 01030500 1961-05-31 18200 11.11 USGS 01030500 1962-04-05 11200 8.32 USGS 01030500 1963-05-04 19800 11.75 USGS 01030500 1964-04-18 16200 10.30 USGS 01030500 1965-04-24 9790 7.71 USGS 01030500 1966-04-26 9930 7.77 USGS 01030500 1966-11-07 12600 8.91 USGS 01030500 1968-04-17 12200 8.70 USGS 01030500 1969-04-20 18700 11.30 USGS 01030500 1970-04-27 18400 11.15 USGS 01030500 1971-05-07 19000 11.42 USGS 01030500 1972-05-09 18800 11.33 USGS 01030500 1973-05-01 23800 13.26 USGS 01030500 1974-05-03 18800 11.33 USGS 01030500 1975-04-23 11000 8.20 USGS 01030500 1976-04-06 27600 14.70 USGS 01030500 1977-04-06 16000 10.44 USGS 01030500 1978-04-28 16500 10.46 USGS 01030500 1979-03-29 24600 13.61 USGS 01030500 1980-04-14 12600 8.86 USGS 01030500 1981-09-26 22000 12.59 USGS 01030500 1982-04-23 18100 11.09 USGS 01030500 1983-04-21 18300 11.16 USGS 01030500 1984-06-04 19000 11.45 USGS 01030500 1985-04-09 6190 6.05 USGS 01030500 1986-04-04 14600 9.70 USGS 01030500 1987-04-05 23300 13.10 USGS 01030500 1988-04-06 12200 8.74 USGS 01030500 1989-05-16 22200 12.67 USGS 01030500 1990-04-19 11800 8.58 2 1989-12-02 15.05 1 USGS 01030500 1991-04-11 15000 11.84 6 USGS 01030500 1992-04-04 10500 10.01 2 1992-04-04 1200 10.34 1 USGS 01030500 1993-04-15 26100 16.16 USGS 01030500 1994-04-19 24900 15.73 USGS 01030500 1995-04-17 10400 9.99 USGS 01030500 1996-04-25 14500 11.66 6 USGS 01030500 1997-05-05 14700 12.69 USGS 01030500 1998-04-03 13:30 19400 14.38 USGS 01030500 1999-04-01 12400 11.85 2 1999-01-31 11.87 1 USGS 01030500 2000-04-07 17400 13.69 USGS 01030500 2001-04-26 17900 13.89 USGS 01030500 2002-04-17 15000 12.79 USGS 01030500 2003-04-26 16200 13.25 USGS 01030500 2003-11-01 15200 12.89 USGS 01030500 2005-04-08 19100 14.31 USGS 01030500 2005-12-04 17800 13.86 USGS 01030500 2007-04-26 22:30 18300 14.03 USGS 01030500 2008-04-25 08:15 19600 14.45 USGS 01030500 2009-04-09 16:30 20500 14.74 USGS 01030500 2010-04-02 15:45 17400 13.70 USGS 01030500 2010-12-16 13:15 22100 15.24 USGS 01030500 2012-06-29 20:15 18700 14.17 USGS 01030500 2013-05-28 06:15 14700 12.71 USGS 01030500 2014-04-18 19:30 25700 16.31 USGS 01030500 2015-04-25 11:45 19400 14.40 USGS 01030500 2015-10-03 06:15 15900 13.15 USGS 01030500 2017-04-18 15:00 20500 14.74 USGS 01030500 2018-04-30 04:30 23500 15.65 USGS 01030500 2019-04-24 02:30 24200 15.86 USGS 01030500 2020-04-16 23:15 19300 14.30 USGS 01030500 2020-12-04 21:00 15000 12.89 USGS 01030500 2022-04-13 10:15 12900 12.16 USGS 01030500 2023-04-20 23:30 14700 12.78