# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-04 00:16:50 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 01011000 Allagash River near Allagash, 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 01011000 1932-09-18 16500 9.44 USGS 01011000 1933-05-05 23400 11.32 2 1933-04-22 14.22 1 USGS 01011000 1934-04-26 18300 9.91 USGS 01011000 1935-05-02 10800 7.48 USGS 01011000 1936-05-03 18100 10.26 USGS 01011000 1937-04-30 12600 2 USGS 01011000 1938-04-21 11100 7.93 2 1938-04-19 8.28 1 USGS 01011000 1939-05-11 21500 10.78 2 1939-05-01 13.14 1 USGS 01011000 1940-05-04 14300 8.95 USGS 01011000 1941-04-22 17600 9.80 USGS 01011000 1942-05-05 22500 11.24 USGS 01011000 1943-05-13 15900 9.38 USGS 01011000 1944-05-11 10800 7.80 USGS 01011000 1945-04-29 15500 9.30 USGS 01011000 1946-05-17 17700 9.94 USGS 01011000 1947-05-08 16900 9.74 USGS 01011000 1948-05-09 10200 7.60 USGS 01011000 1949-05-04 11000 7.87 2 1949-04-10 8.80 1 USGS 01011000 1950-04-23 8150 6.85 2 1950-04-19 7.62 1 USGS 01011000 1950-12-13 10400 7.67 2 1951-04-15 10.36 1 USGS 01011000 1952-05-13 13200 8.61 USGS 01011000 1953-04-04 11100 7.90 2 1953-03-31 12.28 1 USGS 01011000 1954-04-23 15500 9.31 2 1954-04-18 10.54 1 USGS 01011000 1955-05-05 15900 9.40 2 1955-04-17 10.58 1 USGS 01011000 1956-05-16 9370 7.30 USGS 01011000 1957-04-29 7740 6.69 USGS 01011000 1958-04-25 19000 10.25 USGS 01011000 1959-05-08 8620 7.03 2 1959-04-15 7.57 1 USGS 01011000 1960-05-10 20400 10.63 2 1960-04-23 14.16 1 USGS 01011000 1961-05-17 28800 12.21 USGS 01011000 1962-05-07 9700 7.40 2 1962-04-09 9.08 1 USGS 01011000 1963-05-06 13000 8.42 USGS 01011000 1963-11-09 12200 8.15 2 1964-04-16 11.07 1 USGS 01011000 1965-05-13 5270 5.55 2 1965-04-20 6.40 1 USGS 01011000 1966-05-21 12000 8.10 USGS 01011000 1967-05-04 10000 7.51 2 1966-12-21 8.53 1 USGS 01011000 1968-04-17 12500 2 1968-04-11 10.15 1 USGS 01011000 1969-05-11 22300 10.90 USGS 01011000 1970-05-03 16600 9.53 2 1970-04-26 13.83 1 USGS 01011000 1971-05-13 15800 9.29 USGS 01011000 1972-05-17 15900 9.32 USGS 01011000 1973-04-29 29400 12.33 USGS 01011000 1974-05-01 26400 11.71 USGS 01011000 1975-05-13 14700 8.96 USGS 01011000 1976-04-04 18000 2 1976-04-03 14.43 1 USGS 01011000 1977-04-24 18200 10.01 USGS 01011000 1978-05-10 16900 9.63 2 1978-04-25 12.63 1 USGS 01011000 1979-04-29 28400 2 USGS 01011000 1980-04-16 8920 7.14 2 1980-04-12 10.19 1 USGS 01011000 1981-04-11 11200 7.86 2 1981-04-05 12.76 1 USGS 01011000 1982-04-28 20200 10.46 2 1982-04-21 10.85 1 USGS 01011000 1983-04-18 36900 13.68 2 1983-04-18 1200 19.48 1 USGS 01011000 1984-05-01 20600 10.55 2 1984-04-17 12.37 1 USGS 01011000 1985-04-28 13100 8.48 2 1985-04-21 9.79 1 USGS 01011000 1986-04-03 10600 7.69 2 1986-04-01 10.47 1 USGS 01011000 1987-04-02 21200 10.66 USGS 01011000 1988-04-06 8540 2 7.00 2 1988-04-06 1300 17.55 1 USGS 01011000 1989-04-09 7590 6.63 2 1989-04-07 11.05 1 USGS 01011000 1990-04-28 15700 9.27 USGS 01011000 1991-04-27 17000 9.62 2 1991-04-10 19.78 1 USGS 01011000 1992-04-24 18800 10.13 USGS 01011000 1993-04-12 17800 9.85 USGS 01011000 1994-04-18 18900 10.14 2 1994-04-16 12.98 1 USGS 01011000 1995-04-23 8710 6.96 2 1995-01-19 7.56 1 USGS 01011000 1996-04-27 19200 10.24 USGS 01011000 1997-05-17 20900 10.74 USGS 01011000 1998-04-19 00:45 17600 9.78 2 1998-04-04 1200 10.02 1 USGS 01011000 1999-04-23 8970 7.06 2 1999-04-01 9.10 1 USGS 01011000 2000-04-10 17100 9.65 2 2000-03-29 10.29 1 USGS 01011000 2001-04-25 17500 9.76 USGS 01011000 2002-04-19 17100 9.63 USGS 01011000 2003-04-24 11700 7.97 2 2003-04-15 9.29 1 USGS 01011000 2004-04-20 14000 8.75 2 2003-12-19 14.02 1 USGS 01011000 2005-04-26 27300 12.12 USGS 01011000 2005-10-17 16800 9.42 2 2006-04-03 9.52 1 USGS 01011000 2007-04-25 17:45 15900 9.26 2 2007-04-24 0430 13.18 1 USGS 01011000 2008-04-30 10:15 40900 14.89 USGS 01011000 2009-04-24 11:15 17700 9.76 USGS 01011000 2010-04-05 10:00 19500 10.23 2 2010-04-01 1830 11.58 1 USGS 01011000 2011-05-05 16:15 23000 11.11 USGS 01011000 2012-03-22 23:30 16300 9.37 2 2012-03-22 0015 12.01 1 USGS 01011000 2013-04-21 05:15 13900 8.68 USGS 01011000 2014-04-17 20:15 17100 9.60 2 2014-04-16 1430 13.05 1 USGS 01011000 2015-04-22 16:15 13600 8.59 2 2015-04-14 0330 17.96 1 USGS 01011000 2016-04-24 02:30 12000 8.07 2 2016-04-16 1745 14.86 1 USGS 01011000 2017-04-28 23:00 18700 10.03 2 2017-04-11 0545 10.30 1 USGS 01011000 2018-04-28 03:15 26100 11.85 USGS 01011000 2019-04-22 23:45 26400 11.91 USGS 01011000 2019-11-01 14:15 16200 9.34 2 2020-04-08 1745 11.77 1 USGS 01011000 2021-04-11 02:30 11100 7.63 2 2021-03-27 0130 11.19 1 USGS 01011000 2022-04-17 07:15 16600 9.36 2 2022-04-14 2200 15.26 1 USGS 01011000 2023-04-19 03:15 19300 10.11 2 2023-04-14 1200 11.47 1