# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-22 09:53:09 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 01096000 SQUANNACOOK RIVER NEAR WEST GROTON, 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 01096000 1950-03-30 750 4.98 USGS 01096000 1951-02-19 1440 6.03 USGS 01096000 1951-11-04 1210 5.71 USGS 01096000 1953-03-16 1840 6.52 USGS 01096000 1954-09-12 2470 6.99 USGS 01096000 1954-12-15 1160 5.64 USGS 01096000 1955-10-16 4010 8.04 USGS 01096000 1957-01-24 692 4.86 USGS 01096000 1958-04-07 1370 5.91 USGS 01096000 1959-04-03 2000 6.58 USGS 01096000 1960-04-06 2120 6.70 USGS 01096000 1961-04-17 1000 5.42 USGS 01096000 1962-04-02 2340 6.88 USGS 01096000 1963-03-28 1220 5.72 USGS 01096000 1964-03-11 616 4.69 USGS 01096000 1965-04-17 303 3.75 USGS 01096000 1966-03-26 491 4.39 USGS 01096000 1967-04-03 906 5.26 USGS 01096000 1968-03-19 2260 6.82 USGS 01096000 1969-03-26 1190 5.68 USGS 01096000 1970-02-11 1810 6.39 USGS 01096000 1971-04-04 755 4.99 USGS 01096000 1972-03-23 900 5.25 USGS 01096000 1973-04-02 1580 6.16 USGS 01096000 1973-12-22 1560 6.13 USGS 01096000 1975-04-04 1500 6.07 USGS 01096000 1976-01-29 924 5.29 USGS 01096000 1977-03-14 2760 7.22 USGS 01096000 1978-01-27 1260 5.78 USGS 01096000 1979-03-07 2230 6.79 USGS 01096000 1980-03-22 1750 6.33 USGS 01096000 1981-02-27 932 5.30 USGS 01096000 1982-06-06 1900 6.48 USGS 01096000 1983-03-20 3020 7.41 USGS 01096000 1984-04-06 2750 7.21 USGS 01096000 1985-03-13 641 4.75 USGS 01096000 1986-01-27 2060 6.63 USGS 01096000 1987-04-06 4220 8.16 USGS 01096000 1988-04-29 798 5.07 USGS 01096000 1989-05-03 832 5.13 USGS 01096000 1989-10-21 1330 5.86 USGS 01096000 1991-04-22 1220 5.72 USGS 01096000 1991-11-23 1070 5.51 USGS 01096000 1993-03-30 1990 6.57 USGS 01096000 1994-03-24 712 4.86 USGS 01096000 1994-12-25 1490 6.06 USGS 01096000 1996-04-17 3090 7.46 USGS 01096000 1996-10-21 3330 7.62 USGS 01096000 1998-03-10 2400 6.93 USGS 01096000 1999-03-05 848 5.13 USGS 01096000 2000-04-23 1410 5.96 USGS 01096000 2001-03-23 1590 6.17 USGS 01096000 2002-05-14 891 5.21 USGS 01096000 2003-03-22 858 5.15 USGS 01096000 2004-04-02 4060 8.07 USGS 01096000 2005-04-03 1950 6.53 USGS 01096000 2006-05-15 2570 7.07 USGS 01096000 2007-04-16 4820 8.50 USGS 01096000 2008-03-09 1440 6.00 USGS 01096000 2009-07-03 1690 6.27 USGS 01096000 2010-03-15 3990 8.03 USGS 01096000 2011-03-07 2750 7.21 USGS 01096000 2011-12-08 1050 5.45 USGS 01096000 2012-10-30 593 4.56 USGS 01096000 2014-03-31 1570 6.15 USGS 01096000 2014-12-10 897 5.21 USGS 01096000 2016-02-26 1070 5.42 USGS 01096000 2017-04-07 1080 5.44 USGS 01096000 2018-09-19 03:00 2050 6.62 USGS 01096000 2019-01-25 13:15 1280 5.76 USGS 01096000 2019-12-15 06:23 1100 5.47 USGS 01096000 2020-12-26 08:15 1130 5.53 USGS 01096000 2021-10-31 22:52 791 4.90 USGS 01096000 2022-12-24 04:30 1640 6.22