# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-22 05:41:17 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 01097300 NASHOBA BROOK NEAR ACTON, 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 01097300 1964-03-06 97.0 3.89 USGS 01097300 1965-02-26 106 3.99 USGS 01097300 1966-02-15 55.0 3.29 USGS 01097300 1967-05-26 128 4.11 USGS 01097300 1968-03-19 360 5.07 USGS 01097300 1969-03-26 272 4.92 USGS 01097300 1970-02-04 243 4.64 USGS 01097300 1971-03-18 95.0 2 USGS 01097300 1972-03-18 170 2 1972-03-18 1200 4.59 1 USGS 01097300 1973-02-04 248 4.66 USGS 01097300 1974-03-22 120 3.84 USGS 01097300 1975-02-25 184 4.16 USGS 01097300 1976-01-28 269 4.48 USGS 01097300 1977-03-17 300 2 USGS 01097300 1978-01-27 558 5.38 USGS 01097300 1979-01-26 679 5.57 2 1979-01-26 1200 5.43 1 USGS 01097300 1980-03-22 181 4.33 USGS 01097300 1981-02-27 179 4.32 USGS 01097300 1982-06-07 301 4.80 USGS 01097300 1983-03-12 231 4.55 USGS 01097300 1984-06-03 279 4.73 USGS 01097300 1985-03-13 72.0 3.32 USGS 01097300 1986-03-15 270 4.70 USGS 01097300 1987-04-07 337 4.91 USGS 01097300 1988-03-27 120 3.90 USGS 01097300 1989-04-17 89.0 3.56 USGS 01097300 1990-04-05 141 4.05 USGS 01097300 1991-08-20 212 4.47 USGS 01097300 1991-11-24 92.0 3.57 USGS 01097300 1993-03-30 314 4.84 USGS 01097300 1994-03-23 186 4.33 USGS 01097300 1995-03-09 133 4.00 USGS 01097300 1996-01-28 210 2 USGS 01097300 1996-10-21 665 5.55 USGS 01097300 1998-06-14 293 6.89 USGS 01097300 1999-01-25 102 5.35 USGS 01097300 2000-04-23 215 6.36 USGS 01097300 2001-03-23 310 7.10 USGS 01097300 2002-05-14 113 5.63 USGS 01097300 2002-12-15 129 5.80 USGS 01097300 2004-04-02 293 7.00 USGS 01097300 2005-03-29 326 7.09 USGS 01097300 2005-10-16 332 6.40 USGS 01097300 2007-04-16 316 6.95 USGS 01097300 2008-09-07 243 6.48 2 2008-02-17 7.24 USGS 01097300 2008-12-13 250 6.53 USGS 01097300 2010-03-15 493 7.86 USGS 01097300 2011-03-07 258 6.58 USGS 01097300 2011-12-08 140 5.65 USGS 01097300 2013-06-08 143 5.68 USGS 01097300 2014-03-31 292 6.80 USGS 01097300 2014-12-10 172 5.93 USGS 01097300 2016-01-11 106 5.30 USGS 01097300 2017-04-07 145 5.70 USGS 01097300 2018-04-17 16:30 152 5.76 USGS 01097300 2019-01-25 16:30 167 5.89 USGS 01097300 2019-12-15 05:45 122 5.47 USGS 01097300 2021-09-03 00:45 196 6.13 USGS 01097300 2022-02-18 20:15 123 5.48 USGS 01097300 2023-07-22 20:15 196 6.13