# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-03 10:14:40 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 01129500 CONNECTICUT RIVER AT NORTH STRATFORD, NH # # 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 01129500 1931-04-12 12800 6 9.62 USGS 01129500 1932-04-10 10200 6 8.84 USGS 01129500 1933-04-18 21500 6 12.39 USGS 01129500 1934-04-25 21700 6 12.73 USGS 01129500 1935-04-28 11000 6 9.13 2 1935-01-10 11.26 1 USGS 01129500 1936-03-19 28400 6 14.64 2 1936-03-13 16.66 1 USGS 01129500 1937-04-30 13700 6 10.10 USGS 01129500 1938-09-22 12800 6 9.81 2 1938-03-24 13.30 1 USGS 01129500 1939-05-08 13700 6 10.13 2 1939-04-22 10.41 1 USGS 01129500 1940-05-03 19500 6 12.00 USGS 01129500 1941-04-16 12200 6 9.59 USGS 01129500 1942-04-26 15300 6 10.63 USGS 01129500 1943-06-16 28700 6 14.67 USGS 01129500 1944-05-05 11500 6 9.34 USGS 01129500 1945-03-29 16400 6 10.97 USGS 01129500 1945-10-02 9820 6 8.69 2 1946-03-09 12.80 1 USGS 01129500 1947-04-13 13500 6 10.00 2 1947-01-31 11.03 1 USGS 01129500 1948-03-28 10400 6 8.93 USGS 01129500 1949-03-28 11100 6 9.21 USGS 01129500 1950-04-21 14900 6 10.46 USGS 01129500 1950-11-26 11500 6 9.32 USGS 01129500 1952-04-20 11700 6 9.41 USGS 01129500 1953-03-27 16800 6 11.10 USGS 01129500 1954-04-23 20400 6 12.27 USGS 01129500 1955-04-15 18700 6 11.74 USGS 01129500 1956-05-01 10600 6 8.99 USGS 01129500 1957-04-21 9550 6 8.58 2 1957-01-23 10.08 1 USGS 01129500 1958-04-23 16100 6 10.88 USGS 01129500 1959-04-19 7680 6 7.74 2 1959-04-03 16.11 1 USGS 01129500 1960-04-19 19700 6 12.07 USGS 01129500 1961-05-10 10100 6 8.81 USGS 01129500 1962-04-30 12900 6 9.80 USGS 01129500 1963-04-22 15000 6 10.49 USGS 01129500 1964-04-15 18200 6 11.57 2 1964-03-05 12.02 1 USGS 01129500 1965-09-25 6530 6 7.19 2 1965-01-30 8.48 1 USGS 01129500 1966-04-22 10400 6 8.91 USGS 01129500 1967-04-03 9380 6 8.49 2 1967-02-05 8.77 1 USGS 01129500 1968-03-24 8700 6 9.15 1 USGS 01129500 1969-05-20 16700 6 11.06 USGS 01129500 1970-04-25 16000 6 10.83 USGS 01129500 1971-05-05 10400 6 8.91 2 1970-12-24 9.60 1 USGS 01129500 1972-05-05 20300 6 12.25 USGS 01129500 1973-06-30 15800 6 10.76 2 1973-02-03 11.60 1 USGS 01129500 1974-04-24 18700 6 11.73 USGS 01129500 1975-04-20 11300 6 9.27 USGS 01129500 1976-04-02 14700 6 10.40 USGS 01129500 1977-04-01 12500 6 9.66 2 1977-03-14 13.10 1 USGS 01129500 1978-05-10 11400 6 9.30 2 1978-04-14 12.69 1 USGS 01129500 1979-03-26 12200 6 9.56 2 1979-03-06 20.60 1 USGS 01129500 1980-04-11 8030 6 7.90 USGS 01129500 1981-02-21 17000 2,6 16.40 1 USGS 01129500 1982-04-27 15300 6 10.61 USGS 01129500 1983-05-04 11900 6 9.42 USGS 01129500 1984-05-31 16200 6 10.94 USGS 01129500 1985-04-17 9130 6 8.36 2 1985-02-25 9.30 1 USGS 01129500 1986-03-31 15800 6 10.80 2 1986-01-27 14.42 1 USGS 01129500 1987-04-01 20000 6 13.17 USGS 01129500 1988-04-05 11100 6 9.12 2 1988-03-27 13.08 1 USGS 01129500 1989-04-06 12600 6 9.70 2 1989-03-29 11.94 1 USGS 01129500 1990-03-18 19100 6 11.87 USGS 01129500 1991-04-10 13900 6 10.16 USGS 01129500 1992-04-23 18800 6 11.79 2 1992-03-11 12.72 1 USGS 01129500 1993-04-17 12600 6 9.69 2 1993-03-30 13.45 1 USGS 01129500 1994-04-17 18500 6 11.69 2 1994-03-30 13.45 1 USGS 01129500 1995-01-17 8650 6 8.17 2 1995-02-06 8.81 1 USGS 01129500 1996-04-24 20400 6 12.28 USGS 01129500 1996-12-02 12400 6 9.62 2 1997-02-23 10.10 1 USGS 01129500 1998-03-31 32300 6 15.63 USGS 01129500 1999-09-17 12500 6 9.64 USGS 01129500 2000-05-11 19200 6 11.89 USGS 01129500 2001-04-25 20000 6 12.15 USGS 01129500 2002-04-14 21100 6 12.50 USGS 01129500 2003-03-30 14600 6 10.39 USGS 01129500 2003-11-21 12000 6 9.48 USGS 01129500 2005-06-14 10300 6 8.82 USGS 01129500 2005-10-17 23900 6 13.35 USGS 01129500 2007-04-24 14300 6 10.28 USGS 01129500 2008-04-20 12700 6 9.71 USGS 01129500 2009-04-04 9840 6 8.65 2 2008-12-29 12.13 1 USGS 01129500 2010-03-24 11700 6 9.37 2 2010-01-26 12.14 1 USGS 01129500 2011-04-27 29500 6 14.90 USGS 01129500 2012-03-19 9860 6 8.66 USGS 01129500 2013-05-25 14600 6 10.40 2 2013-01-31 11.66 1 USGS 01129500 2014-04-16 27100 6 14.25 USGS 01129500 2015-04-15 10700 6 8.90 USGS 01129500 2016-02-25 23:45 12200 6 9.52 2 2016-02-25 0915 11.13 1 USGS 01129500 2017-04-17 10:00 14000 6 10.23 USGS 01129500 2018-04-30 05:15 13700 6 10.12 2 2018-01-13 1245 14.84 1 USGS 01129500 2019-04-21 05:30 22700 6 13.36 USGS 01129500 2020-04-14 10:15 13000 6 9.83 USGS 01129500 2021-05-01 11:30 10500 6 8.85 USGS 01129500 2022-04-15 04:15 8700 6 8.07 2 2022-02-23 1715 9.53 1 USGS 01129500 2023-07-12 05:00 12200 6 9.52