# # U.S. Geological Survey # National Water Information System # Retrieved: 2025-01-22 21:05:17 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 01170500 CONNECTICUT RIVER AT MONTAGUE CITY, 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 01170500 1904-04-30 74000 1,2,6 USGS 01170500 1905-04-01 117000 1,2,6 USGS 01170500 1906-04-16 83500 1,2,6 USGS 01170500 1907-04-28 64800 1,2,6 USGS 01170500 1907-11-07 83800 6 USGS 01170500 1909-04-16 119000 1,2,6 USGS 01170500 1910-03-02 98200 1,2,6 USGS 01170500 1911-04-16 60600 1,2,6 USGS 01170500 1912-04-09 96000 1,2,6 USGS 01170500 1913-03-28 144000 1,2,6 USGS 01170500 1914-04-21 106000 1,2,6 USGS 01170500 1915-02-26 83800 1,2,6 USGS 01170500 1916-04-03 80200 1,2,6 USGS 01170500 1917-03-30 66000 1,2,6 USGS 01170500 1918-04-03 73500 1,2,6 USGS 01170500 1919-03-29 85100 1,2,6 USGS 01170500 1920-03-28 120000 1,2,6 USGS 01170500 1921-03-10 76500 1,2,6 USGS 01170500 1922-04-13 133000 1,2,6 USGS 01170500 1923-04-07 96000 1,2,6 USGS 01170500 1924-04-07 60900 1,2,6 USGS 01170500 1925-03-30 100000 1,2,6 USGS 01170500 1926-04-26 93500 1,2,6 USGS 01170500 1927-03-19 72700 1,2,6 USGS 01170500 1927-11-05 179000 6 USGS 01170500 1929-03-25 75700 6 27.41 USGS 01170500 1930-04-09 49500 6 21.80 USGS 01170500 1931-04-12 72300 6 26.74 USGS 01170500 1932-04-13 91900 6 30.32 USGS 01170500 1933-04-19 137000 6 37.56 USGS 01170500 1934-04-13 114000 6 33.90 USGS 01170500 1935-01-11 92500 6 30.45 USGS 01170500 1936-03-19 236000 6 49.20 USGS 01170500 1937-05-16 97000 6 31.46 USGS 01170500 1938-09-22 195000 6 44.74 USGS 01170500 1939-04-23 98200 6 31.74 USGS 01170500 1940-05-05 119000 6 34.88 USGS 01170500 1941-04-15 46300 6 21.10 USGS 01170500 1942-04-09 70600 6 26.70 USGS 01170500 1943-04-29 71100 6 26.84 USGS 01170500 1943-11-10 69600 6 26.50 USGS 01170500 1945-03-22 85600 6 29.57 USGS 01170500 1946-03-10 71000 2,6 27.41 1 USGS 01170500 1947-04-13 95600 6 31.26 USGS 01170500 1948-03-23 126000 6 35.90 USGS 01170500 1948-12-31 139000 6 37.76 USGS 01170500 1950-04-06 79400 6 28.43 USGS 01170500 1951-04-01 102000 6 32.30 USGS 01170500 1952-06-02 108000 6 33.27 USGS 01170500 1953-03-28 123000 6 35.40 USGS 01170500 1954-04-18 75600 6 27.11 USGS 01170500 1955-04-16 81400 6 28.28 USGS 01170500 1956-04-30 99400 6 31.80 USGS 01170500 1957-01-24 36000 2,6,9 23.78 1 USGS 01170500 1958-04-23 101000 6 32.11 USGS 01170500 1959-04-04 93500 6 30.70 USGS 01170500 1960-04-06 142000 6 38.13 USGS 01170500 1961-04-24 68400 6 25.57 USGS 01170500 1962-04-02 91700 6 30.34 USGS 01170500 1963-04-03 77300 6 27.46 USGS 01170500 1964-04-15 79600 6 27.93 USGS 01170500 1965-04-17 40500 6 19.19 USGS 01170500 1966-03-26 55400 6 22.68 USGS 01170500 1967-04-04 79100 6 28.01 USGS 01170500 1968-03-24 101000 6 32.11 USGS 01170500 1969-04-23 103000 6 32.46 USGS 01170500 1970-04-26 75500 6 27.33 USGS 01170500 1971-05-05 76400 6 27.50 USGS 01170500 1972-05-05 87900 6 29.69 USGS 01170500 1973-07-01 98600 6 31.65 USGS 01170500 1973-12-22 92200 6 30.49 USGS 01170500 1975-04-21 68500 6 25.93 USGS 01170500 1976-04-02 102000 6 32.25 USGS 01170500 1977-03-14 108000 6 33.15 USGS 01170500 1977-10-18 65300 6 25.25 USGS 01170500 1979-03-26 94600 6 30.94 USGS 01170500 1980-04-10 75100 6 27.25 USGS 01170500 1981-02-25 87500 6 29.64 USGS 01170500 1982-04-19 95400 6 31.09 USGS 01170500 1983-05-03 72800 6 26.80 USGS 01170500 1984-05-31 143000 6 38.17 USGS 01170500 1985-03-13 47700 6 21.22 USGS 01170500 1986-04-01 87300 6 29.59 USGS 01170500 1987-04-01 126000 6 35.89 USGS 01170500 1988-04-30 71200 6 26.47 USGS 01170500 1989-04-07 77700 6 27.76 USGS 01170500 1990-03-18 91100 6 30.30 USGS 01170500 1990-12-25 78300 6 27.88 USGS 01170500 1992-04-25 68400 6 25.90 USGS 01170500 1993-03-31 84800 6 29.13 USGS 01170500 1994-04-16 95000 6 30.94 USGS 01170500 1995-01-18 49500 6 21.68 USGS 01170500 1996-04-17 94800 6 30.91 USGS 01170500 1996-12-03 70000 6 26.22 USGS 01170500 1998-04-01 95900 6 31.09 USGS 01170500 1999-09-17 69400 6 26.11 USGS 01170500 2000-04-06 69100 6 26.04 USGS 01170500 2001-04-24 93200 6 30.62 USGS 01170500 2002-04-16 73200 6 26.95 USGS 01170500 2003-03-30 81000 6 28.40 USGS 01170500 2004-04-02 86700 6 29.45 USGS 01170500 2005-04-03 92600 6 30.51 USGS 01170500 2005-10-09 121000 6 35.04 USGS 01170500 2007-04-17 91100 6 30.25 USGS 01170500 2008-04-13 82200 6 28.62 USGS 01170500 2008-12-12 74200 6 27.07 USGS 01170500 2010-03-23 79300 6 28.07 USGS 01170500 2011-08-28 127000 6 35.91 USGS 01170500 2011-12-08 53100 6 22.53 USGS 01170500 2013-07-03 65400 6 25.27 USGS 01170500 2014-04-16 81000 6 28.39 USGS 01170500 2015-04-16 72300 6 26.69 USGS 01170500 2016-02-25 82900 6 28.75 USGS 01170500 2017-02-26 70400 6 26.31 USGS 01170500 2018-01-13 21:30 70300 6 26.28 USGS 01170500 2019-04-16 11:45 81600 6 28.50 USGS 01170500 2020-04-14 23:30 66100 6 25.42 USGS 01170500 2020-12-26 00:10 74500 6 27.14 USGS 01170500 2022-03-21 02:15 49500 6 21.67 USGS 01170500 2023-07-11 22:00 103000 6 32.40