# # U.S. Geological Survey # National Water Information System # Retrieved: 2025-01-06 16:26:14 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 01104500 CHARLES RIVER AT 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 01104500 1932-04-01 690 5 2.82 USGS 01104500 1933-04-19 1520 5 3.92 USGS 01104500 1934-03-10 1020 5 3.24 USGS 01104500 1935-04-14 1370 5 3.75 USGS 01104500 1936-03-19 2540 5 4.79 USGS 01104500 1936-12-20 1020 5 3.26 USGS 01104500 1938-07-26 2180 5 4.56 USGS 01104500 1939-04-03 1020 5 3.26 USGS 01104500 1940-04-22 1600 5 3.83 USGS 01104500 1941-02-15 555 5 2.40 USGS 01104500 1942-03-23 1470 5 3.80 USGS 01104500 1943-03-12 1180 5 3.34 USGS 01104500 1944-01-14 1000 5 3.12 USGS 01104500 1945-03-12 1240 5 3.47 USGS 01104500 1946-01-14 1360 5 3.78 USGS 01104500 1947-05-07 692 5 2.62 USGS 01104500 1948-03-22 1730 5 4.16 USGS 01104500 1949-02-20 575 5 2.46 USGS 01104500 1950-03-28 869 5 2.82 USGS 01104500 1951-04-07 933 5 3.10 USGS 01104500 1952-03-17 1250 5 3.49 USGS 01104500 1953-04-03 1360 5 3.67 USGS 01104500 1954-09-22 1550 5 4.44 USGS 01104500 1955-08-19 2490 5 5.35 USGS 01104500 1955-11-11 1990 5 4.76 USGS 01104500 1957-04-11 957 5 3.01 USGS 01104500 1958-01-26 1940 5 4.42 USGS 01104500 1959-03-06 1460 5 4.04 USGS 01104500 1960-04-04 1510 5 4.33 USGS 01104500 1961-02-27 1850 5 5.31 USGS 01104500 1962-04-02 1540 5 4.86 USGS 01104500 1962-10-07 1340 5 3.42 USGS 01104500 1964-01-27 890 5 2.80 2 1963-11-30 3.60 1 USGS 01104500 1965-03-02 904 5 2.92 USGS 01104500 1966-03-06 637 2,5 2.63 USGS 01104500 1967-04-21 1250 5 3.50 USGS 01104500 1968-03-22 2670 5 5.15 2 1968-03-22 1200 5.39 1 USGS 01104500 1969-03-30 1800 5 4.20 USGS 01104500 1970-02-11 1790 5 4.19 USGS 01104500 1971-03-03 1110 5 3.38 USGS 01104500 1972-03-22 1670 5 4.05 USGS 01104500 1973-01-07 1630 5 4.04 USGS 01104500 1973-12-21 1090 5 3.28 USGS 01104500 1975-04-03 895 5 3.00 USGS 01104500 1976-02-03 4150 5,9 6.54 1 1886 USGS 01104500 1977-03-23 1610 5 3.97 USGS 01104500 1978-03-31 1740 5 4.12 USGS 01104500 1979-01-25 3480 5 6.48 USGS 01104500 1980-04-11 1140 5 3.35 USGS 01104500 1981-02-27 1220 5 3.46 USGS 01104500 1982-06-07 2960 5 5.44 USGS 01104500 1983-03-12 1970 5 4.39 USGS 01104500 1984-06-02 2410 5 4.88 USGS 01104500 1985-08-01 811 5 2.86 USGS 01104500 1986-03-15 1110 5 3.32 USGS 01104500 1987-04-07 2710 5 5.51 USGS 01104500 1988-02-21 837 5 2.88 USGS 01104500 1989-08-17 779 5 2.78 USGS 01104500 1990-08-11 1240 5 3.53 USGS 01104500 1990-10-19 1030 5 3.19 USGS 01104500 1991-11-15 637 5 2.52 2 1992-03-31 2.57 USGS 01104500 1993-04-02 2180 5 5.05 USGS 01104500 1994-03-29 1430 5 4.00 USGS 01104500 1994-12-25 757 5 2.89 USGS 01104500 1996-01-27 1430 5 4.01 USGS 01104500 1996-10-21 2990 5 6.05 USGS 01104500 1998-06-14 2180 5 5.51 USGS 01104500 1999-02-03 1080 5 3.61 USGS 01104500 2000-04-26 1090 5 3.66 USGS 01104500 2001-03-23 2190 5 5.42 USGS 01104500 2002-05-18 721 5 3.03 USGS 01104500 2003-03-30 1170 5 3.85 USGS 01104500 2004-04-02 1510 5 4.42 USGS 01104500 2005-04-03 1510 5 4.34 USGS 01104500 2006-06-10 1590 5 4.92 USGS 01104500 2007-04-17 1250 5 4.37 USGS 01104500 2008-03-08 1390 5 4.62 USGS 01104500 2008-12-12 1390 5 4.61 USGS 01104500 2010-03-15 4270 5 7.56 USGS 01104500 2011-03-09 1770 5 4.52 USGS 01104500 2011-12-08 1080 5 3.41 USGS 01104500 2013-06-14 1570 5 4.23 USGS 01104500 2014-04-02 1460 5 4.07 USGS 01104500 2014-12-10 1640 5 4.33 USGS 01104500 2016-04-08 634 5 2.55 USGS 01104500 2017-04-06 1150 5 3.57 USGS 01104500 2018-03-08 02:00 1250 5 3.69 USGS 01104500 2018-11-16 14:30 1180 5 3.57 USGS 01104500 2020-05-02 03:00 806 5 2.97 USGS 01104500 2021-07-09 16:15 1520 5 4.15 USGS 01104500 2022-02-18 23:00 868 5 3.10 USGS 01104500 2023-03-14 21:30 1040 5 3.36