# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-03-29 06:09:23 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 01110500 BLACKSTONE RIVER AT NORTHBRIDGE, 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 01110500 1936-03-19 7510 6,7 13.70 USGS 01110500 1940-01-15 1840 6 8.13 USGS 01110500 1941-02-08 1560 6 7.47 USGS 01110500 1942-03-09 1600 6 7.56 USGS 01110500 1942-12-02 1600 6 7.60 USGS 01110500 1944-09-15 1400 6 7.18 USGS 01110500 1945-01-02 1440 6 7.31 USGS 01110500 1946-02-14 1210 6 6.76 USGS 01110500 1947-03-03 1480 6 7.35 USGS 01110500 1948-03-17 1620 6 7.57 USGS 01110500 1949-02-23 768 6 5.55 USGS 01110500 1950-08-20 1280 6 6.97 USGS 01110500 1951-02-08 2270 6 9.04 USGS 01110500 1952-06-02 1750 6 8.03 USGS 01110500 1953-03-16 1860 6 8.17 USGS 01110500 1954-09-12 4510 6 11.36 USGS 01110500 1955-08-20 16900 6 16.74 1900 USGS 01110500 1955-10-16 2830 6 9.48 USGS 01110500 1957-04-06 1500 2,6 USGS 01110500 1958-04-07 2120 6 6.99 USGS 01110500 1959-03-07 2870 6 8.25 USGS 01110500 1960-09-13 2520 6 7.66 USGS 01110500 1961-09-21 2270 6 7.25 USGS 01110500 1962-04-01 2620 6 8.06 USGS 01110500 1962-10-06 2350 6 7.39 USGS 01110500 1964-01-25 1670 6 6.25 USGS 01110500 1965-02-25 2280 6 7.26 USGS 01110500 1966-02-14 1620 6 6.14 USGS 01110500 1967-05-26 2010 6 7.34 USGS 01110500 1968-03-19 4760 6 10.90 USGS 01110500 1969-03-25 3290 6 8.96 USGS 01110500 1970-02-04 3470 6 9.33 USGS 01110500 1971-03-17 1290 6 6.17 USGS 01110500 1972-03-23 2820 6 8.28 USGS 01110500 1973-02-03 2590 6 8.19 USGS 01110500 1974-03-21 2210 6 7.36 USGS 01110500 1975-02-25 1510 6 6.31 USGS 01110500 1976-01-28 2840 6 8.27 USGS 01110500 1977-03-14 1770 6 6.81 USGS 01110500 1979-01-25 6190 6,7 12.48 USGS 01110500 1996-04-17 3310 6 9.29 USGS 01110500 1996-10-21 2630 6 8.34 USGS 01110500 1998-03-10 4440 6 10.70 USGS 01110500 1999-09-17 2520 6 8.18 USGS 01110500 2000-04-22 3260 6 9.22 USGS 01110500 2001-03-22 3260 6 9.22 USGS 01110500 2002-05-14 1340 6 6.25 USGS 01110500 2003-06-23 2230 6 7.73