# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-29 08:58:37 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 01094000 SOUHEGAN RIVER AT MERRIMACK, 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 01094000 1910-03-01 4550 8.40 3 USGS 01094000 1911-03-28 2810 6.65 3 USGS 01094000 1912-03-30 2550 6.80 USGS 01094000 1913-03-28 3250 7.47 USGS 01094000 1914-03-03 3680 7.84 USGS 01094000 1915-08-05 6000 9.60 USGS 01094000 1916-02-27 4740 8.68 USGS 01094000 1917-03-28 3290 7.51 USGS 01094000 1918-03-26 1830 5.92 USGS 01094000 1919-03-29 3200 7.43 USGS 01094000 1920-03-28 3920 8.04 USGS 01094000 1920-12-15 5410 9.18 USGS 01094000 1922-05-06 3980 8.09 USGS 01094000 1923-04-06 3450 7.65 USGS 01094000 1924-04-08 9260 11.82 USGS 01094000 1925-03-30 2050 6.23 USGS 01094000 1925-12-05 2590 6.93 USGS 01094000 1927-03-15 2870 7.12 USGS 01094000 1927-11-05 6180 9.73 USGS 01094000 1929-04-22 2290 6.51 USGS 01094000 1930-03-09 2530 6.78 USGS 01094000 1931-06-10 3490 7.68 USGS 01094000 1932-04-01 3520 7.71 USGS 01094000 1933-04-18 3210 7.44 USGS 01094000 1934-04-13 7500 10.66 USGS 01094000 1935-01-10 3260 7.41 USGS 01094000 1936-03-19 16900 16.20 1830 USGS 01094000 1936-12-21 3450 7.68 USGS 01094000 1938-09-21 10800 12.78 USGS 01094000 1939-04-20 2280 6.52 USGS 01094000 1940-04-13 4250 8.34 USGS 01094000 1941-02-09 2370 6.55 USGS 01094000 1942-03-10 3880 8.05 USGS 01094000 1942-12-03 1730 5.79 USGS 01094000 1944-06-25 7830 10.88 USGS 01094000 1945-03-22 2430 6.67 USGS 01094000 1946-03-10 2750 7.00 USGS 01094000 1947-04-07 1680 5.77 USGS 01094000 1948-03-23 3990 8.10 USGS 01094000 1949-01-07 2100 2 USGS 01094000 1950-03-30 2180 6.39 USGS 01094000 1950-11-27 3200 7.43 USGS 01094000 1952-04-06 4300 8.34 USGS 01094000 1953-03-16 4650 USGS 01094000 1954-09-12 4410 8.62 USGS 01094000 1954-12-15 2710 7.06 USGS 01094000 1955-10-16 6760 10.30 USGS 01094000 1957-01-24 1830 6.00 USGS 01094000 1958-04-07 2970 7.32 USGS 01094000 1959-04-03 4180 8.36 USGS 01094000 1960-04-06 6000 USGS 01094000 1961-04-17 2370 6.61 USGS 01094000 1962-04-02 4730 8.80 USGS 01094000 1962-12-07 3500 7.65 USGS 01094000 1964-01-22 1800 2 1964-03-10 6.06 1 USGS 01094000 1965-04-17 1220 2 5.15 USGS 01094000 1966-03-26 1540 5.70 USGS 01094000 1967-04-04 2770 6.92 USGS 01094000 1968-03-19 4400 8.54 USGS 01094000 1969-04-23 2550 6.80 USGS 01094000 1970-02-11 4400 8.48 USGS 01094000 1971-04-14 1830 5.94 USGS 01094000 1972-03-23 2510 6.75 USGS 01094000 1973-04-03 2970 7.23 USGS 01094000 1973-12-22 3800 8.00 USGS 01094000 1975-04-04 3140 7.39 USGS 01094000 1976-02-23 1960 6.11 USGS 01094000 1980-04-11 3020 7 7.28 USGS 01094000 1982-04-03 2000 6.15 USGS 01094000 1983-03-22 4700 8.74 USGS 01094000 1984-04-06 4420 8.50 USGS 01094000 1985-03-13 962 4.71 USGS 01094000 1986-01-31 4080 8.22 USGS 01094000 1987-04-07 6700 10.25 USGS 01094000 1988-04-29 1830 5.95 USGS 01094000 1989-04-06 1740 5.83 USGS 01094000 1990-03-18 2500 6.75 USGS 01094000 1991-04-22 2370 6.61 USGS 01094000 1992-03-28 2650 6.91 USGS 01094000 1993-03-31 3460 7.71 USGS 01094000 1993-12-22 1640 5.71 USGS 01094000 1994-12-25 3980 8.16 USGS 01094000 1996-04-17 4820 8.86 USGS 01094000 1996-10-22 6260 9.96 USGS 01094000 1998-03-10 3600 7.83 USGS 01094000 1999-09-17 2300 6.52 USGS 01094000 2000-04-23 2430 6.67 USGS 01094000 2001-03-23 2510 6.75 USGS 01094000 2002-05-14 2150 6.35 USGS 01094000 2003-03-27 2410 6.64 USGS 01094000 2004-04-02 6100 9.84 USGS 01094000 2005-04-04 02:30 3580 7.81 USGS 01094000 2006-05-15 10:00 6140 9.87 USGS 01094000 2007-04-17 05:45 10500 12.71 USGS 01094000 2008-09-07 22:30 2670 6.93 USGS 01094000 2008-12-13 06:00 2600 6.85 USGS 01094000 2010-03-15 17:30 6110 9.85 USGS 01094000 2011-03-08 02:45 3320 7.57 USGS 01094000 2011-12-09 2600 7.04 USGS 01094000 2012-12-22 10:15 1420 5.49 USGS 01094000 2014-04-01 03:00 2980 7.24 USGS 01094000 2014-12-11 2410 6.70 USGS 01094000 2016-02-26 02:30 2320 6.86 USGS 01094000 2017-04-07 16:22 2510 7.06 USGS 01094000 2017-10-31 03:00 3680 8.14 USGS 01094000 2019-01-25 12:00 2720 7.26 USGS 01094000 2019-12-15 09:45 2780 7.30 USGS 01094000 2020-12-26 11:15 3000 7.52 USGS 01094000 2021-11-01 00:45 2070 6.78 USGS 01094000 2022-12-24 10:15 3870 8.07