# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-22 08:39:32 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 01092000 MERRIMACK R NR GOFFS FALLS, BELOW MANCHESTER, 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 01092000 1936-03-20 150000 6 35.19 1722 USGS 01092000 1937-05-16 33700 6 11.52 USGS 01092000 1938-09-23 102000 6 25.87 USGS 01092000 1939-04-21 36500 6 12.07 USGS 01092000 1940-04-14 41800 6 13.20 USGS 01092000 1940-11-16 15200 6 7.58 USGS 01092000 1942-06-16 24200 6 9.27 USGS 01092000 1943-05-14 23600 6 9.18 USGS 01092000 1944-06-26 35000 6 11.39 USGS 01092000 1945-03-22 30300 6 10.49 USGS 01092000 1945-12-09 30400 6 10.51 USGS 01092000 1947-04-14 27700 6 10.14 USGS 01092000 1948-03-23 38200 6 12.15 USGS 01092000 1949-01-02 22000 6 9.01 USGS 01092000 1950-04-22 29200 6 10.42 USGS 01092000 1951-04-04 44600 6 13.45 USGS 01092000 1952-04-07 43900 6 13.30 USGS 01092000 1953-03-28 46900 6 13.90 USGS 01092000 1954-05-11 38600 6 12.46 USGS 01092000 1955-04-17 20200 6 8.62 USGS 01092000 1956-05-01 34300 6 11.55 USGS 01092000 1957-01-25 13100 6 7.12 USGS 01092000 1958-04-24 30600 6 10.78 USGS 01092000 1959-04-05 36500 6 12.01 USGS 01092000 1960-04-06 59000 6 17.42 USGS 01092000 1961-04-25 22700 6 9.13 USGS 01092000 1962-04-02 34500 6 11.59 USGS 01092000 1963-04-04 28100 6 10.26 USGS 01092000 1964-04-16 29700 6 10.60 USGS 01092000 1965-04-18 15100 6 7.56 USGS 01092000 1966-03-27 19500 6 8.47 USGS 01092000 1967-04-04 30400 6 10.75 USGS 01092000 1968-03-22 30000 2,6 USGS 01092000 1969-04-19 37000 6 12.11 USGS 01092000 1970-02-12 27700 6 10.17 USGS 01092000 1971-05-05 26800 6 9.99 USGS 01092000 1972-04-21 29200 6 10.49 USGS 01092000 1973-04-03 29500 6 10.55 USGS 01092000 1973-12-22 34000 6 11.50 USGS 01092000 1975-03-22 24100 6 9.42 USGS 01092000 1976-04-03 36000 6 11.91 USGS 01092000 1977-03-15 42200 2,6 13.22 USGS 01092000 1977-10-19 26000 6 9.86 USGS 01092000 1979-03-26 36200 6 11.95 USGS 01092000 1980-04-12 28900 6 10.45 USGS 01092000 1981-02-26 34200 6 11.55 USGS 01092000 1982-04-19 30600 6 10.80 USGS 01092000 1983-03-21 32900 6 11.29 USGS 01092000 1984-06-01 42900 6 13.35 USGS 01092000 1985-03-14 18000 6 8.17 USGS 01092000 1986-01-28 31700 6 11.01 USGS 01092000 1987-04-06 48300 6 14.47 USGS 01092000 1988-05-01 28900 6 10.44 USGS 01092000 1989-05-08 27200 6 10.10 USGS 01092000 1990-03-18 24800 2,6 10.93 1 USGS 01092000 1990-12-25 24000 2,6 9.79 1 USGS 01092000 1992-03-13 19300 6 8.45 USGS 01092000 1993-04-13 31100 6 10.89 USGS 01092000 1994-04-17 27300 6 10.12 USGS 01092000 1994-12-26 20400 6 8.68 USGS 01092000 1996-04-17 37900 6 12.29 USGS 01092000 1996-10-22 33900 6 11.46 USGS 01092000 1998-06-17 38700 6 12.46 USGS 01092000 1999-09-19 30000 6 10.66 USGS 01092000 2000-03-30 27900 6 10.24 USGS 01092000 2001-04-15 28800 6 10.42 USGS 01092000 2002-04-16 19700 6 8.54 USGS 01092000 2003-03-31 26400 6 9.92 USGS 01092000 2004-04-02 30000 6 10.67 USGS 01092000 2005-04-04 34600 6 11.61 USGS 01092000 2006-05-15 74700 6 19.86 USGS 01092000 2007-04-17 59700 6 16.79 USGS 01092000 2008-04-14 30800 6 10.83 USGS 01092000 2009-04-08 27800 6 10.22 USGS 01092000 2010-03-31 34500 6 11.60 USGS 01092000 2011-04-18 27800 6 10.21 USGS 01092000 2011-12-09 23600 6 9.34 USGS 01092000 2012-11-01 22500 6 9.11 USGS 01092000 2014-04-18 26800 6 10.02 USGS 01092000 2015-04-22 21200 6 8.85 USGS 01092000 2016-02-27 06:15 27100 6 10.07 USGS 01092000 2017-04-14 03:15 25900 6 9.83 USGS 01092000 2017-11-01 10:00 28300 6 10.33 USGS 01092000 2019-04-28 02:15 28400 6 10.35 USGS 01092000 2019-12-16 07:30 25000 6 9.63 USGS 01092000 2020-12-26 23:15 25400 6 9.72 USGS 01092000 2022-02-24 20:30 19300 6 8.45 USGS 01092000 2023-05-05 03:45 28800 6 10.42 USGS 01092000 2023-12-19 11:00 33600 6 11.41