# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-23 19:52:48 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 01184000 CONNECTICUT RIVER AT THOMPSONVILLE, CT # # 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 01184000 1929-03-25 84800 5 7.49 USGS 01184000 1930-04-09 57600 5 6.28 USGS 01184000 1931-04-12 78100 5 7.46 USGS 01184000 1932-04-14 98400 5 8.28 USGS 01184000 1933-04-20 153000 5 10.47 USGS 01184000 1934-04-14 124000 5 8.96 USGS 01184000 1935-01-11 100000 5 8.14 USGS 01184000 1936-03-20 282000 5 16.60 3 USGS 01184000 1937-05-16 103000 5 7.42 USGS 01184000 1938-09-22 236000 5 14.40 USGS 01184000 1939-04-24 103000 5 7.36 USGS 01184000 1940-05-06 121000 5 8.42 USGS 01184000 1941-04-16 50000 5 4.40 USGS 01184000 1942-04-09 73200 5 5.70 USGS 01184000 1943-04-29 75000 5 5.80 USGS 01184000 1944-04-26 75400 5 5.83 USGS 01184000 1945-03-22 95000 5 6.92 USGS 01184000 1946-03-11 75800 5 5.88 USGS 01184000 1947-04-14 97000 5 7.05 USGS 01184000 1948-03-23 131000 5 8.93 USGS 01184000 1949-01-01 138000 5 9.30 USGS 01184000 1950-04-06 84300 5 6.30 USGS 01184000 1951-04-01 106000 5 7.52 USGS 01184000 1952-06-03 113000 5 7.60 USGS 01184000 1953-03-28 131000 5 8.60 USGS 01184000 1954-04-19 83500 5 6.00 USGS 01184000 1955-08-19 174000 5 10.93 USGS 01184000 1956-05-01 110000 5 7.40 USGS 01184000 1957-01-25 47100 5 4.07 USGS 01184000 1958-04-24 109000 5 7.36 USGS 01184000 1959-04-05 99700 5 6.86 USGS 01184000 1960-04-06 156000 5 10.01 USGS 01184000 1961-04-25 76400 5 5.62 USGS 01184000 1962-04-02 101000 5 6.91 USGS 01184000 1963-04-04 87200 5 6.20 USGS 01184000 1964-04-16 84600 5 6.06 USGS 01184000 1965-04-17 41700 5 3.88 USGS 01184000 1966-03-27 59200 5 4.88 USGS 01184000 1967-04-04 84000 5 6.19 USGS 01184000 1968-03-25 105000 5 7.29 USGS 01184000 1969-04-23 109000 5 7.53 USGS 01184000 1970-04-27 78700 5 5.91 USGS 01184000 1971-05-05 78400 5 5.89 USGS 01184000 1972-05-06 90900 5 6.55 USGS 01184000 1973-03-19 100000 5 7.04 USGS 01184000 1973-12-23 99400 5 7.00 USGS 01184000 1975-04-22 68500 5 5.37 USGS 01184000 1976-04-03 107000 5 7.45 USGS 01184000 1977-03-15 114000 5 7.79 USGS 01184000 1977-10-19 69600 5 5.42 USGS 01184000 1979-03-27 112000 5 6.84 USGS 01184000 1980-04-11 86700 5 5.80 USGS 01184000 1981-02-26 113000 5 6.88 USGS 01184000 1982-04-19 108000 5 6.63 USGS 01184000 1983-04-27 84800 5 15.58 USGS 01184000 1984-05-31 186000 5 11.80 USGS 01184000 1985-03-14 50800 5 4.29 USGS 01184000 1986-04-01 92300 5 7.77 USGS 01184000 1987-04-01 152000 5 18.74 USGS 01184000 1988-05-01 78500 5 15.16 USGS 01184000 1989-05-07 93900 5 15.80 USGS 01184000 1990-03-18 101000 5 16.08 USGS 01184000 1990-12-25 81300 5 14.96 USGS 01184000 1992-04-26 74300 5 14.44 USGS 01184000 1993-04-01 107000 5 16.42 USGS 01184000 1994-04-17 106000 5 16.34 USGS 01184000 1995-01-19 55500 5 13.11 USGS 01184000 1996-04-18 113000 5 16.75 USGS 01184000 1996-12-04 87500 5 15.10 USGS 01184000 1998-04-01 111000 5 16.60 USGS 01184000 1999-09-18 80800 5 14.56 USGS 01184000 2000-04-06 82300 5 14.66 USGS 01184000 2001-04-24 106000 5 16.14 USGS 01184000 2002-04-17 75900 5 14.33 USGS 01184000 2003-03-31 88700 5 15.61 USGS 01184000 2004-04-02 96100 5 16.09 USGS 01184000 2005-04-04 105000 5 16.60 USGS 01184000 2005-10-10 114000 5 17.21 USGS 01184000 2007-04-17 111000 5 17.01 USGS 01184000 2008-04-14 85700 5 15.23 USGS 01184000 2008-12-13 87000 5 15.27 USGS 01184000 2010-04-01 96900 5 15.97 USGS 01184000 2011-08-29 128000 5 17.82 2 2011-08-30 17.83 USGS 01184000 2011-12-09 66000 5 13.68 USGS 01184000 2013-06-14 75400 5 14.39 USGS 01184000 2014-04-17 92500 5 15.66 USGS 01184000 2015-04-16 78300 5 14.64 USGS 01184000 2016-02-27 91500 5 15.59 USGS 01184000 2017-02-27 74600 5 14.37 USGS 01184000 2017-10-31 22:00 74400 5 14.36 USGS 01184000 2019-04-17 04:00 90700 5 15.54 USGS 01184000 2020-04-15 10:30 70600 5 14.07 USGS 01184000 2020-12-26 19:30 84300 5 15.08 USGS 01184000 2022-04-09 20:30 55800 5 12.95 USGS 01184000 2023-07-12 08:45 111000 5 17.01