# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-22 08:09:46 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 01010000 St. John River at Ninemile Bridge, 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 01010000 1951-04-11 19000 USGS 01010000 1952-04-27 19200 8.10 2 1952-04-17 9.90 1 USGS 01010000 1953-04-01 21000 1953-03-31 15.78 1 USGS 01010000 1954-04-23 27800 9.81 2 1954-04-12 10.39 1 USGS 01010000 1955-04-20 25400 9.33 2 1955-04-14 9.61 1 USGS 01010000 1956-05-15 14600 6.99 USGS 01010000 1957-04-22 16000 USGS 01010000 1958-04-25 34200 10.97 2 1957-12-21 14.26 1 USGS 01010000 1959-04-27 16300 7.42 2 1959-04-12 8.02 1 USGS 01010000 1960-05-07 26000 2 USGS 01010000 1961-05-15 31300 10.45 USGS 01010000 1962-04-30 15000 2 USGS 01010000 1963-05-02 20300 8.34 USGS 01010000 1963-11-09 19300 8.12 USGS 01010000 1965-09-26 10500 5.94 2 1965-04-20 10.14 1 USGS 01010000 1966-04-23 18600 7.99 USGS 01010000 1967-05-04 22000 8.67 USGS 01010000 1968-04-16 27300 9.71 2 1968-04-11 13.45 1 USGS 01010000 1969-05-10 27800 9.81 USGS 01010000 1970-04-28 31000 1970-04-23 14.36 1 USGS 01010000 1971-05-05 23800 9.04 USGS 01010000 1972-05-09 23400 8.96 USGS 01010000 1973-04-24 30600 10.32 USGS 01010000 1974-05-01 44400 12.63 2 1974-04-29 17.34 1 USGS 01010000 1975-05-08 18800 8.03 2 1975-04-22 9.46 1 USGS 01010000 1976-04-21 32000 2 1976-04-02 20.01 1 USGS 01010000 1977-04-23 29200 10.07 2 1977-04-02 12.46 1 USGS 01010000 1978-05-11 27000 9.66 2 1978-04-24 10.02 1 USGS 01010000 1979-04-29 34700 11.05 USGS 01010000 1980-04-16 15800 7.30 2 1980-04-11 7.44 1 USGS 01010000 1981-08-06 39000 11.30 USGS 01010000 1982-04-28 32000 2 USGS 01010000 1983-04-27 32300 10.64 USGS 01010000 1984-07-17 35800 11.23 2 1984-04-15 12.11 1 USGS 01010000 1985-04-27 24400 9.16 USGS 01010000 1986-04-04 19900 8.24 2 1986-04-03 8.90 1 USGS 01010000 1987-04-01 33600 10.86 USGS 01010000 1988-04-06 15400 7.22 2 1988-04-03 9.98 1 USGS 01010000 1989-05-03 15400 7.20 2 1989-04-02 9.77 1 USGS 01010000 1990-08-14 24600 9.20 USGS 01010000 1991-04-11 28400 2 1991-04-11 1300 23.00 1,5 USGS 01010000 1992-04-23 32400 10.66 USGS 01010000 1993-04-13 23500 8.98 2 1993-04-12 9.92 1 USGS 01010000 1994-04-17 38700 11.42 2 1994-04-16 18.81 1 USGS 01010000 1995-04-23 15300 7.19 2 1995-04-15 8.58 1 USGS 01010000 1996-04-24 31400 10.24 2 1996-04-22 15.15 1 USGS 01010000 1997-05-17 27100 9.52 2 1997-04-22 13.00 1 USGS 01010000 1998-04-18 14:15 24200 9.01 USGS 01010000 1999-04-22 14700 7.05 2 1999-04-10 8.41 1 USGS 01010000 2000-04-24 24700 9.10 2 2000-03-27 10.49 1 USGS 01010000 2001-04-25 32800 10.48 USGS 01010000 2002-04-18 28900 9.83 USGS 01010000 2003-04-24 17200 7.62 2 2003-04-01 7.71 1 USGS 01010000 2004-04-20 25100 9.18 USGS 01010000 2005-04-26 31300 10.23 2 2005-04-10 13.67 1 USGS 01010000 2005-10-17 26600 9.44 2 2006-04-11 15.58 1 USGS 01010000 2007-04-26 01:30 28900 9.83 2 2007-04-24 1230 15.88 1 USGS 01010000 2008-04-30 13:15 43600 12.15 2 2008-04-20 0015 14.71 1 USGS 01010000 2009-04-09 22:30 27300 9.55 2 2009-04-05 1300 18.14 1 USGS 01010000 2010-04-06 09:30 26600 9.43 2 2010-04-01 2000 11.24 1 USGS 01010000 2011-04-30 05:30 35600 2 10.93 2 2011-04-13 19.25 1 USGS 01010000 2012-03-23 31500 2 10.25 2 2012-03-01 10.25 1 USGS 01010000 2013-04-21 00:45 25800 9.30 USGS 01010000 2014-04-18 19:00 31700 10.24 USGS 01010000 2015-04-19 19:30 24800 9.08 2 2015-04-15 1645 21.88 1 USGS 01010000 2016-04-23 13:15 14900 7.09 2 2016-04-02 2100 19.44 1 USGS 01010000 2017-04-17 22:30 23800 8.89 2 2017-04-10 1630 11.57 1 USGS 01010000 2018-04-30 21:45 41300 11.46 USGS 01010000 2019-04-22 23:45 47700 12.34 2 2019-04-16 0045 19.10 1 USGS 01010000 2019-11-01 19:00 36900 10.81 2 2020-04-06 1445 14.34 1 USGS 01010000 2020-12-02 14:30 15100 6.91 2 2021-03-27 1215 8.07 1 USGS 01010000 2022-04-16 23:00 30200 9.75 USGS 01010000 2023-04-18 20:45 32100 10.06 2 2023-04-13 1915 15.94 1