# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-27 06:57:17 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 01096500 NASHUA RIVER AT EAST PEPPERELL, MA # # 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 01096500 1936-03-20 20900 6 19.10 USGS 01096500 1936-12-21 3530 6 7.21 USGS 01096500 1938-09-23 10200 6 14.08 USGS 01096500 1939-04-21 3040 6 6.49 USGS 01096500 1940-04-02 4020 6 7.87 USGS 01096500 1941-02-09 2260 6 5.27 USGS 01096500 1942-03-10 4710 6 8.79 USGS 01096500 1943-05-23 2340 6 5.56 USGS 01096500 1944-06-26 7100 6 11.86 USGS 01096500 1945-03-23 2600 6 6.21 USGS 01096500 1946-03-11 3440 6 7.51 USGS 01096500 1947-03-17 2360 6 5.82 USGS 01096500 1948-03-23 4110 6 8.15 USGS 01096500 1949-02-21 1950 6 4.96 USGS 01096500 1950-03-31 2360 6 5.65 USGS 01096500 1951-02-19 3410 6 7.67 USGS 01096500 1951-11-05 3590 6 7.96 USGS 01096500 1953-03-17 4170 6 8.90 USGS 01096500 1954-09-13 4860 6 9.85 USGS 01096500 1954-12-20 3270 6 7.43 USGS 01096500 1955-10-17 5880 6 11.02 USGS 01096500 1957-01-24 2080 6 5.41 USGS 01096500 1958-04-08 3520 6 7.85 USGS 01096500 1959-04-04 4000 6 8.63 USGS 01096500 1960-04-06 5640 6 10.75 USGS 01096500 1961-04-18 3140 6 7.01 USGS 01096500 1962-04-03 5020 6 9.95 USGS 01096500 1963-03-29 3800 2,6 USGS 01096500 1964-01-27 2390 6 5.21 USGS 01096500 1965-04-19 1380 6 3.77 USGS 01096500 1966-03-26 1520 6 3.97 USGS 01096500 1967-04-04 2960 6 5.95 USGS 01096500 1968-03-20 6900 6 11.77 USGS 01096500 1969-03-27 4350 6 7.93 USGS 01096500 1970-04-04 4560 6 8.23 USGS 01096500 1971-04-05 2970 6 5.99 USGS 01096500 1972-03-24 3840 6 7.20 USGS 01096500 1973-04-03 4050 6 7.53 USGS 01096500 1973-12-23 3650 6 7.00 USGS 01096500 1975-04-05 3290 6 6.53 USGS 01096500 1976-01-30 3760 6 7.15 USGS 01096500 1977-03-15 5640 6 9.85 USGS 01096500 1978-01-28 3920 6 7.37 USGS 01096500 1979-03-08 6110 6 10.56 USGS 01096500 1980-03-23 4120 6 7.63 USGS 01096500 1981-02-27 3940 6 7.39 USGS 01096500 1982-06-08 6660 6 11.40 USGS 01096500 1983-03-21 5570 6 9.88 USGS 01096500 1984-06-02 6820 6 11.73 USGS 01096500 1985-03-14 1990 6 4.91 USGS 01096500 1986-03-17 4520 6 8.17 USGS 01096500 1987-04-07 11700 6 16.19 USGS 01096500 1988-04-30 2530 6 5.64 USGS 01096500 1989-05-13 2540 6 5.65 USGS 01096500 1989-10-22 3260 6 6.55 USGS 01096500 1991-08-21 3280 6 6.57 USGS 01096500 1991-11-24 2990 6 6.19 USGS 01096500 1993-04-01 5870 6 10.10 USGS 01096500 1994-03-26 3130 6 6.35 USGS 01096500 1994-12-26 3480 6 6.81 USGS 01096500 1996-04-18 5980 6 10.26 USGS 01096500 1996-10-22 5790 6 10.16 USGS 01096500 1998-03-12 5270 6 9.76 USGS 01096500 1999-03-05 2340 6 5.69 USGS 01096500 2000-04-24 4660 6 8.95 USGS 01096500 2001-03-24 5080 6 9.51 USGS 01096500 2002-05-15 2560 6 6.01 USGS 01096500 2003-03-24 3020 6 6.68 USGS 01096500 2004-04-03 6140 6 10.81 USGS 01096500 2005-04-05 4740 6 9.06 USGS 01096500 2006-05-16 4980 6 9.38 USGS 01096500 2007-04-18 8110 6 13.06 USGS 01096500 2008-03-10 4090 6 8.43 USGS 01096500 2008-12-14 3910 6 8.20 USGS 01096500 2010-03-16 11100 6 15.75 USGS 01096500 2011-03-09 5800 6 9.64 USGS 01096500 2011-12-09 3310 6 6.83 USGS 01096500 2013-06-13 3040 6 6.49 USGS 01096500 2014-04-02 5400 6 9.21 USGS 01096500 2014-12-11 3470 6 7.03 USGS 01096500 2016-02-26 2750 6 6.10 USGS 01096500 2017-04-08 4090 6 7.77 USGS 01096500 2018-09-20 09:30 4150 6 7.84 USGS 01096500 2018-11-05 3740 6 7.36 USGS 01096500 2019-12-16 09:15 3320 6 6.85 USGS 01096500 2021-09-04 09:00 3510 6 7.24 USGS 01096500 2021-11-02 08:45 3090 6 6.65 USGS 01096500 2023-09-14 02:23 3750 6 7.56