# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-27 13:51:47 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 01085000 CONTOOCOOK RIVER NEAR HENNIKER, 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 01085000 1938-09-21 22200 6,7 21.30 1768 USGS 01085000 1940-04-13 8020 6 12.72 USGS 01085000 1941-02-10 1910 6 8.60 USGS 01085000 1942-03-11 3670 6 9.92 USGS 01085000 1943-03-27 2780 6 9.23 USGS 01085000 1944-06-26 9460 6 13.13 USGS 01085000 1945-03-22 5040 6 10.83 USGS 01085000 1946-03-10 4080 6 10.19 USGS 01085000 1947-04-08 3930 6 10.15 USGS 01085000 1948-03-23 7590 6 12.29 USGS 01085000 1949-01-07 3160 6 9.65 USGS 01085000 1950-04-05 3720 6 10.02 USGS 01085000 1951-04-04 6740 6 11.80 USGS 01085000 1952-04-06 6240 6 11.52 USGS 01085000 1953-03-27 6240 6 11.52 USGS 01085000 1954-04-19 3600 6 9.94 USGS 01085000 1954-11-05 3090 6 9.60 USGS 01085000 1956-05-01 7180 6 12.05 USGS 01085000 1957-01-24 3030 6 9.56 USGS 01085000 1958-04-23 5200 6 10.92 USGS 01085000 1959-04-04 5750 6 1959-01-24 11.88 1 USGS 01085000 1960-04-06 9440 6 13.12 USGS 01085000 1961-04-24 3360 6 9.78 USGS 01085000 1962-04-02 4920 6 10.75 2 1962-02-24 11.61 1 USGS 01085000 1963-04-03 4280 6 10.37 USGS 01085000 1964-04-16 3880 6 10.12 2 1964-01-22 12.13 1 USGS 01085000 1965-04-17 2030 6 8.79 2 1965-02-10 9.35 1 USGS 01085000 1966-03-26 2630 6 9.27 2 1966-01-24 10.44 1 USGS 01085000 1967-04-04 4590 6 10.44 USGS 01085000 1968-03-20 5650 6 11.00 2 1968-01-16 12.51 1 USGS 01085000 1969-04-11 7020 6 11.72 USGS 01085000 1970-02-12 4560 6 10.42 2 1970-01-28 12.54 1 USGS 01085000 1971-04-14 3760 6 9.98 2 1971-01-07 10.79 1 USGS 01085000 1972-04-21 5120 6 10.72 USGS 01085000 1973-04-03 5860 6 11.11 USGS 01085000 1973-12-22 7210 6 11.82 USGS 01085000 1975-04-05 3940 6 10.08 USGS 01085000 1976-04-02 4570 6 10.43 2 1976-01-29 11.85 1 USGS 01085000 1977-03-15 7660 6 12.06 2 1977-01-18 13.22 1 USGS 01085000 1980-04-11 4960 6,7 10.65 USGS 01085000 1989-04-06 3590 6 9.90 USGS 01085000 1990-03-22 4750 6 10.53 USGS 01085000 1991-08-21 3880 6 10.07 USGS 01085000 1991-11-26 3960 6 10.11 USGS 01085000 1993-03-31 5540 6 10.97 USGS 01085000 1994-04-08 4140 6 10.19 USGS 01085000 1994-12-25 4920 6 10.64 USGS 01085000 1996-04-17 7990 6 12.25 USGS 01085000 1996-10-22 9840 6 13.18 USGS 01085000 1998-06-18 5740 6 11.22 USGS 01085000 1999-09-18 4720 6 10.62 USGS 01085000 2000-04-24 3520 6 9.88 USGS 01085000 2001-04-23 6750 6 11.81 USGS 01085000 2002-05-15 3280 6 9.75 USGS 01085000 2003-03-31 6060 6 11.44 USGS 01085000 2004-04-03 10100 6 13.32 USGS 01085000 2005-04-04 7860 6 12.36 USGS 01085000 2005-10-16 11100 6 13.75 USGS 01085000 2007-04-17 13100 6 14.54 USGS 01085000 2008-04-13 5030 6 10.84 USGS 01085000 2008-12-12 3910 6 10.15 USGS 01085000 2010-03-16 9880 6 13.25 USGS 01085000 2011-03-08 5090 6 10.88 2 2011-02-02 11.50 1 USGS 01085000 2011-12-09 4920 6 10.77 USGS 01085000 2013-07-03 17:00 4550 6 10.54 USGS 01085000 2014-04-01 18:00 5050 6 10.85 USGS 01085000 2014-12-11 4370 6 10.43 2 2015-02-17 12.06 1 USGS 01085000 2016-02-26 16:30 4170 6 10.31 USGS 01085000 2017-04-12 13:15 4280 6 10.38 USGS 01085000 2017-10-31 11:15 6800 6 11.93 USGS 01085000 2018-11-04 09:30 6760 6 11.91 USGS 01085000 2019-12-15 20:30 4640 6 10.75 USGS 01085000 2021-07-19 18:45 6020 6 11.53 USGS 01085000 2022-02-24 04:00 3690 6 10.13 USGS 01085000 2023-07-11 11:15 7690 6 12.36