# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-06-01 08:03:58 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 01104480 STONY BROOK RESERVOIR AT DAM NEAR WALTHAM, 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 01104480 2000-04-25 208 6 2.76 USGS 01104480 2001-03-23 939 6 5.27 USGS 01104480 2002-01-12 237 6 2.91 USGS 01104480 2003-04-23 337 6 3.37 USGS 01104480 2004-04-02 328 6 3.33 USGS 01104480 2005-03-31 530 6 4.08 USGS 01104480 2006-05-15 471 6 3.88 USGS 01104480 2007-04-17 335 6 3.36 USGS 01104480 2008-07-24 303 6 3.22 USGS 01104480 2008-12-13 329 6 3.42 USGS 01104480 2010-03-15 1140 6 5.76 USGS 01104480 2010-12-14 193 6 2.68 USGS 01104480 2011-12-08 212 6 2.78 USGS 01104480 2013-06-12 192 6 2.67 USGS 01104480 2014-03-31 460 6 3.84 USGS 01104480 2014-12-10 231 6 2.88 USGS 01104480 2015-10-01 91.7 6 2.00 USGS 01104480 2017-04-01 150 6 2.42 USGS 01104480 2018-05-01 10:30 330 6 3.34 USGS 01104480 2019-05-01 10:15 309 6 3.25 USGS 01104480 2019-12-06 10:45 448 6 3.80 USGS 01104480 2021-09-02 17:00 373 6 3.51 USGS 01104480 2022-05-23 10:45 209 6 2.76 USGS 01104480 2022-12-21 09:00 271 6 3.08