# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-22 07:55:29 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 01098530 SUDBURY RIVER AT SAXONVILLE, 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 01098530 1980-04-10 800 2,6 USGS 01098530 1981-02-26 874 6 9.18 USGS 01098530 1982-06-07 2420 6 13.30 USGS 01098530 1983-03-12 1060 6 10.09 USGS 01098530 1984-06-03 1250 6 11.98 USGS 01098530 1985-08-01 589 6 8.65 USGS 01098530 1986-03-16 869 6 9.80 2 1986-06-07 9.97 USGS 01098530 1987-04-08 2240 6 13.47 USGS 01098530 1988-04-08 579 6 8.44 2 1988-05-26 8.64 1 USGS 01098530 1989-08-13 623 6 8.90 USGS 01098530 1989-10-21 872 6 9.71 USGS 01098530 1991-08-20 1110 6 10.49 USGS 01098530 1991-11-23 553 6 7.99 USGS 01098530 1993-04-01 1510 6 11.97 USGS 01098530 1994-03-24 938 6 10.26 2 1994-03-29 10.29 1 USGS 01098530 1994-12-24 665 6 8.55 USGS 01098530 1996-01-28 893 6 10.42 USGS 01098530 1996-10-21 1020 6 11.08 USGS 01098530 1998-06-14 1040 5 10.77 USGS 01098530 1999-02-04 706 5 9.31 USGS 01098530 2000-04-24 1180 5 10.90 USGS 01098530 2001-03-23 1860 5 12.61 USGS 01098530 2002-05-18 474 5 7.81 USGS 01098530 2002-12-20 775 5 9.43 USGS 01098530 2004-04-02 1020 5 10.38 USGS 01098530 2005-04-03 989 5 10.28 USGS 01098530 2005-10-15 1670 5 12.04 USGS 01098530 2007-04-17 1300 5 11.01 USGS 01098530 2008-03-09 1160 5 10.57 USGS 01098530 2008-12-12 1440 5 11.41 USGS 01098530 2010-03-31 2570 5 13.95 USGS 01098530 2011-03-07 1060 5 10.18 USGS 01098530 2011-12-08 863 5 9.40 USGS 01098530 2013-06-14 1050 5 10.15 USGS 01098530 2014-03-31 1190 5 10.65 USGS 01098530 2014-12-09 1020 5 10.05 USGS 01098530 2016-04-09 647 5 8.43 USGS 01098530 2017-04-06 830 5 9.71 USGS 01098530 2018-04-16 21:15 965 5 9.85 2 2018-04-18 1015 9.89 1 USGS 01098530 2019-04-23 05:08 1180 10.72 USGS 01098530 2020-04-04 11:00 737 USGS 01098530 2021-07-10 01:37 1170 5 10.63 USGS 01098530 2022-02-08 17:30 687 5 8.81 USGS 01098530 2023-03-15 12:00 971 5 9.84