# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-21 07:57:51 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 01073500 LAMPREY RIVER NEAR NEWMARKET, 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 01073500 1935-01-11 1820 6 6.75 USGS 01073500 1936-03-20 5490 6 14.88 USGS 01073500 1937-02-24 1940 6 6.98 USGS 01073500 1938-07-31 3530 6 10.55 USGS 01073500 1939-04-20 1890 6 6.91 USGS 01073500 1940-04-14 2520 6 8.26 USGS 01073500 1941-02-11 1080 2,6 5.11 1 USGS 01073500 1942-03-11 1700 2,6 1942-03-12 7.05 1 USGS 01073500 1942-12-04 1620 6 6.34 USGS 01073500 1944-03-29 1300 6 5.50 USGS 01073500 1945-03-23 1950 6 7.03 USGS 01073500 1946-03-11 1570 6 6.19 USGS 01073500 1947-03-17 1280 6 5.41 USGS 01073500 1948-03-23 2800 6 8.92 USGS 01073500 1949-01-08 884 6 4.46 USGS 01073500 1950-03-30 1720 6 6.56 USGS 01073500 1951-04-05 1700 6 6.71 USGS 01073500 1952-04-07 2780 6 8.87 USGS 01073500 1953-03-16 3120 6 9.61 USGS 01073500 1954-05-11 4070 6 11.43 USGS 01073500 1954-12-16 1880 6 7.05 USGS 01073500 1956-04-18 2960 6 9.18 USGS 01073500 1957-03-01 676 6 4.07 USGS 01073500 1958-01-27 2790 6 8.87 USGS 01073500 1959-04-05 3300 6 9.83 USGS 01073500 1960-04-06 4470 6 11.46 USGS 01073500 1961-04-17 1860 6 7.01 USGS 01073500 1962-04-02 3320 6 9.70 USGS 01073500 1962-12-08 2390 6 8.08 USGS 01073500 1963-11-09 1240 6 5.67 USGS 01073500 1965-02-26 788 6 4.48 USGS 01073500 1966-03-27 1070 6 5.15 USGS 01073500 1967-04-04 2480 6 8.03 USGS 01073500 1968-03-21 3220 6 9.26 USGS 01073500 1969-03-28 2710 6 8.66 USGS 01073500 1970-02-13 2300 6 7.90 USGS 01073500 1971-04-05 1510 6 6.16 USGS 01073500 1972-03-25 2030 6 7.36 USGS 01073500 1973-04-04 3030 6 9.22 USGS 01073500 1973-12-18 1430 6 5.95 USGS 01073500 1975-04-05 2240 6 7.77 USGS 01073500 1975-11-15 1540 6 6.23 USGS 01073500 1977-03-15 5000 6 12.22 USGS 01073500 1978-01-29 1610 6 6.39 USGS 01073500 1979-03-09 2970 6 9.11 USGS 01073500 1980-04-12 1600 6 6.36 USGS 01073500 1981-02-27 3670 6 10.26 USGS 01073500 1982-06-08 1970 6 7.22 USGS 01073500 1983-03-20 4570 6 11.61 USGS 01073500 1984-04-07 3200 6 9.50 USGS 01073500 1985-03-14 1420 6 5.94 USGS 01073500 1986-01-29 1930 6 7.15 USGS 01073500 1987-04-07 7570 6 15.14 USGS 01073500 1988-03-29 1390 6 5.88 USGS 01073500 1988-11-04 1740 6 6.70 USGS 01073500 1990-04-03 1500 6 6.15 USGS 01073500 1991-08-22 1720 6 6.65 USGS 01073500 1991-11-25 1310 6 5.67 USGS 01073500 1993-04-01 3400 6 9.84 USGS 01073500 1994-03-26 2210 6 7.71 USGS 01073500 1994-12-26 1670 6 6.59 USGS 01073500 1996-04-18 2850 6 8.90 USGS 01073500 1996-10-22 7080 6 14.59 USGS 01073500 1998-06-15 4720 6 11.52 USGS 01073500 1999-03-02 976 6 4.78 USGS 01073500 2000-04-24 2310 6 7.62 USGS 01073500 2001-03-25 3290 6 9.36 USGS 01073500 2002-05-16 1040 6 4.85 USGS 01073500 2003-03-26 2130 6 7.26 USGS 01073500 2004-04-03 4690 6 11.54 USGS 01073500 2005-04-04 2650 6 8.24 USGS 01073500 2006-05-16 8970 6 18.31 USGS 01073500 2007-04-18 8450 6 17.49 USGS 01073500 2008-03-11 1850 2,6 7.00 1 USGS 01073500 2008-12-14 2110 6 7.25 USGS 01073500 2010-03-16 6760 6 14.81 USGS 01073500 2011-03-09 2120 6 7.26 USGS 01073500 2011-12-10 1520 6 6.00 USGS 01073500 2013-09-14 1240 6 5.36 USGS 01073500 2014-04-02 3260 6 9.24 USGS 01073500 2015-04-22 03:45 1260 6 5.40 USGS 01073500 2016-02-27 1220 6 5.31 USGS 01073500 2017-04-07 23:30 2200 6 7.42 USGS 01073500 2018-04-18 20:15 1960 6 6.94 USGS 01073500 2018-11-05 04:15 2070 6 7.16 USGS 01073500 2019-12-16 05:00 2000 6 7.03 USGS 01073500 2020-12-27 20:30 1470 6 5.89 USGS 01073500 2021-10-31 20:45 1280 6 5.45 USGS 01073500 2023-05-03 03:30 2680 6 8.31