# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-29 05:33:28 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 01100600 SHAWSHEEN RIVER NEAR WILMINGTON, 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 01100600 1964-01-22 370 5.95 USGS 01100600 1965-02-26 240 2 USGS 01100600 1966-02-15 317 5.57 USGS 01100600 1967-05-26 495 6.72 USGS 01100600 1968-03-19 1050 8.60 USGS 01100600 1969-03-26 750 7.70 USGS 01100600 1969-12-28 800 2 7.90 5 USGS 01100600 1971-03-17 329 5.87 USGS 01100600 1972-03-04 760 2 7.70 USGS 01100600 1973-02-03 653 7.30 USGS 01100600 1973-12-18 449 6.41 USGS 01100600 1975-02-25 400 6.17 USGS 01100600 1976-01-28 875 8.08 USGS 01100600 1977-03-23 494 6.88 USGS 01100600 1978-01-27 900 2 USGS 01100600 1979-01-26 1660 2 9.85 2,5 1979-01-26 1200 10.00 USGS 01100600 1980-03-23 418 5.73 USGS 01100600 1981-02-27 450 2 USGS 01100600 1982-06-06 881 7.87 USGS 01100600 1983-03-03 701 7.13 USGS 01100600 1984-06-01 895 7.93 USGS 01100600 1985-02-14 245 4.82 USGS 01100600 1986-03-15 732 7.27 USGS 01100600 1987-04-06 1200 1 USGS 01100600 1988-03-28 370 2 USGS 01100600 1989-04-17 273 4.91 USGS 01100600 1990-01-31 439 6.05 USGS 01100600 1991-08-21 429 6.03 USGS 01100600 1991-11-24 237 4.82 USGS 01100600 1993-03-30 758 7.53 USGS 01100600 1994-03-23 439 6.11 USGS 01100600 1994-12-25 267 5.06 USGS 01100600 1996-01-21 520 2 USGS 01100600 1996-10-22 1850 10.49 USGS 01100600 1998-06-15 1240 9.03 USGS 01100600 1999-02-04 455 6.24 USGS 01100600 2000-04-23 614 6.97 USGS 01100600 2001-03-23 1580 9.87 USGS 01100600 2002-05-15 338 5.62 USGS 01100600 2002-12-15 448 6.21 USGS 01100600 2004-04-02 1110 8.65 USGS 01100600 2005-03-29 579 6.80 USGS 01100600 2006-05-15 1210 8.94 USGS 01100600 2007-04-17 821 7.75 USGS 01100600 2008-07-25 553 6.72 USGS 01100600 2008-12-13 731 7.43 USGS 01100600 2010-03-15 1880 10.54 USGS 01100600 2011-03-08 620 7.00 USGS 01100600 2011-12-09 408 6.04 USGS 01100600 2012-12-28 361 5.79 USGS 01100600 2014-03-31 686 7.26 USGS 01100600 2014-12-10 683 7.25 USGS 01100600 2016-04-09 201 4.58 USGS 01100600 2017-04-17 423 6.12 USGS 01100600 2019-01-25 23:07 531 7.23 USGS 01100600 2019-12-15 17:07 225 5.33 USGS 01100600 2021-09-03 06:37 708 7.35 USGS 01100600 2022-02-05 16:37 353 5.68 USGS 01100600 2023-03-15 14:15 590 6.87