# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-23 23:31:51 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 01190070 CONNECTICUT RIVER AT HARTFORD, CT # # 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 01190070 1683-07-00 145000 7,Bd 25.50 Bd USGS 01190070 1692-03-00 146000 7,Bd 25.70 Bd USGS 01190070 1801-03-20 160000 7 27.00 USGS 01190070 1828-02-11 112000 7 22.30 USGS 01190070 1838-01-28 115000 7 22.50 USGS 01190070 1839-01-29 126000 7 23.70 USGS 01190070 1841-01-09 147000 7 25.80 USGS 01190070 1843-03-29 157000 26.70 USGS 01190070 1843-12-25 86000 19.00 USGS 01190070 1845-02-25 83000 18.50 USGS 01190070 1846-03-16 82000 18.30 USGS 01190070 1847-04-25 100000 20.70 USGS 01190070 1848-01-17 63000 15.50 USGS 01190070 1848-11-11 73000 17.00 USGS 01190070 1850-05-06 106000 21.50 USGS 01190070 1851-01-01 54000 14.00 USGS 01190070 1852-04-24 116000 22.60 USGS 01190070 1853-05-29 63000 15.50 USGS 01190070 1854-05-01 185000 29.30 USGS 01190070 1855-04-22 102000 21.00 USGS 01190070 1856-08-22 117000 22.80 USGS 01190070 1857-02-21 86000 19.00 USGS 01190070 1857-10-28 77000 17.70 USGS 01190070 1859-03-20 148000 25.90 USGS 01190070 1860-03-03 63000 15.50 USGS 01190070 1861-04-17 102000 21.00 USGS 01190070 1862-04-21 173000 28.20 USGS 01190070 1863-04-20 108000 21.70 USGS 01190070 1864-04-29 71000 16.70 USGS 01190070 1865-03-20 132000 24.30 USGS 01190070 1866-02-26 96000 20.30 USGS 01190070 1867-04-18 90000 19.50 USGS 01190070 1868-03-19 102000 21.00 USGS 01190070 1869-04-23 152000 26.20 USGS 01190070 1869-10-06 148000 25.80 USGS 01190070 1871-05-07 81000 18.20 USGS 01190070 1872-04-13 98000 20.50 USGS 01190070 1873-04-13 99000 20.70 USGS 01190070 1874-01-09 123000 23.40 USGS 01190070 1875-04-06 81000 18.20 USGS 01190070 1876-04-16 106000 21.50 USGS 01190070 1877-03-29 113000 22.40 USGS 01190070 1878-04-30 79000 18.00 USGS 01190070 1879-05-01 102000 21.00 USGS 01190070 1880-04-07 60000 14.90 USGS 01190070 1881-04-26 66000 16.00 USGS 01190070 1882-05-03 57000 14.30 USGS 01190070 1883-04-15 95000 20.00 USGS 01190070 1884-03-28 103000 21.10 USGS 01190070 1885-04-24 76000 17.50 USGS 01190070 1886-05-04 105000 21.30 USGS 01190070 1887-04-13 111000 22.00 USGS 01190070 1888-04-08 85000 18.90 USGS 01190070 1889-04-21 42000 11.30 USGS 01190070 1889-11-30 62000 15.10 USGS 01190070 1891-04-17 88000 19.30 USGS 01190070 1892-01-16 78000 17.80 USGS 01190070 1893-05-06 124000 23.50 USGS 01190070 1894-04-25 51000 13.30 USGS 01190070 1895-04-16 142000 25.20 USGS 01190070 1896-03-03 144000 26.00 USGS 01190070 1897-07-16 96000 20.30 USGS 01190070 1898-03-22 100000 20.70 USGS 01190070 1899-04-27 106000 21.50 USGS 01190070 1900-02-16 118000 22.90 USGS 01190070 1901-04-09 148000 25.90 USGS 01190070 1902-03-04 139000 25.00 USGS 01190070 1903-03-25 117000 22.80 USGS 01190070 1904-04-30 101000 20.90 USGS 01190070 1905-04-02 123000 23.50 USGS 01190070 1906-04-18 91000 19.60 USGS 01190070 1906-11-09 94000 19.80 USGS 01190070 1908-02-18 78000 18.00 USGS 01190070 1909-04-17 131000 24.20 USGS 01190070 1910-01-23 93000 19.70 USGS 01190070 1910-10-20 63000 15.50 USGS 01190070 1912-04-10 100000 20.70 USGS 01190070 1913-03-29 144000 25.80 USGS 01190070 1914-04-23 105000 21.40 USGS 01190070 1915-02-27 95000 20.10 USGS 01190070 1916-04-03 88000 20.30 USGS 01190070 1917-03-30 78000 17.80 USGS 01190070 1918-04-04 82000 18.30 USGS 01190070 1919-03-30 89000 19.30 USGS 01190070 1920-03-30 110000 22.00 USGS 01190070 1921-03-12 90000 19.40 USGS 01190070 1922-04-14 129000 24.00 USGS 01190070 1923-04-08 107000 21.50 USGS 01190070 1924-04-08 95000 20.20 USGS 01190070 1925-03-31 94000 20.00 USGS 01190070 1926-04-27 96000 20.30 USGS 01190070 1927-03-20 78000 18.30 USGS 01190070 1927-11-07 180000 28.50 USGS 01190070 1929-03-25 82000 18.40 USGS 01190070 1930-04-10 53000 13.70 USGS 01190070 1931-04-13 76000 17.40 USGS 01190070 1932-04-14 94000 20.00 USGS 01190070 1933-04-24 145000 25.50 USGS 01190070 1934-04-14 115000 22.60 USGS 01190070 1935-01-12 95000 20.20 USGS 01190070 1936-03-21 313000 37.00 USGS 01190070 1937-04-18 61000 15.20 USGS 01190070 1938-09-22 251000 1938-09-23 34.50 USGS 01190070 1939-04-25 98000 20.70 USGS 01190070 1940-05-07 116000 22.90 USGS 01190070 1941-04-17 47000 5 12.40 USGS 01190070 1942-04-10 70000 5 16.60 USGS 01190070 1943-04-30 75000 5 17.30 USGS 01190070 1944-04-26 76000 5 17.80 USGS 01190070 1945-03-24 89000 5 19.40 USGS 01190070 1946-03-11 72000 5 17.00 USGS 01190070 1947-04-14 89000 5 19.40 USGS 01190070 1948-03-24 125000 5 24.00 USGS 01190070 1949-01-02 133000 5 24.70 USGS 01190070 1950-04-07 83000 5 18.40 USGS 01190070 1951-04-02 106000 5 21.60 USGS 01190070 1952-06-04 105000 5 21.50 USGS 01190070 1953-03-29 132000 5 24.50 USGS 01190070 1954-04-20 82000 5 18.30 USGS 01190070 1955-08-19 198000 5 1955-08-20 30.00 USGS 01190070 1955-10-16 110000 5 1955-10-17 21.90 USGS 01190070 1957-01-25 38000 5 10.50 USGS 01190070 1958-04-25 105000 5 21.50 USGS 01190070 1959-04-06 95000 5 20.10 USGS 01190070 1960-04-07 157000 5 27.10 USGS 01190070 1961-04-26 73000 5 17.10 USGS 01190070 1962-04-03 94000 5 20.00 USGS 01190070 1963-04-05 85000 5 18.80 USGS 01190070 1964-04-17 80000 5 18.00 USGS 01190070 1965-04-18 36000 5 10.10 USGS 01190070 1966-03-28 57000 5 13.30 USGS 01190070 1967-04-05 79000 5 17.90 USGS 01190070 1968-03-25 97000 5 20.50 USGS 01190070 1969-04-24 114000 5 22.60 USGS 01190070 1970-04-20 73000 5 17.10 USGS 01190070 1971-03-07 75000 5 17.70 USGS 01190070 1972-05-07 92000 5 20.00 USGS 01190070 1973-07-03 99000 5 20.80 USGS 01190070 1974-04-07 73000 5 17.00 USGS 01190070 1975-09-28 76000 5 17.44 USGS 01190070 1976-04-04 109000 5 21.92 USGS 01190070 1977-03-16 113000 5 22.49 USGS 01190070 1977-10-20 68000 5 16.17 USGS 01190070 1979-03-08 101000 5 21.02 USGS 01190070 1980-04-12 87000 5 19.06 USGS 01190070 1981-02-27 105000 5 21.56 USGS 01190070 1982-04-22 101000 5 20.99 USGS 01190070 1983-04-27 94000 2,5 20.00 5 USGS 01190070 1984-06-01 192000 5 1984-06-01 1300 30.74 USGS 01190070 1985-03-14 40000 5 11.45 USGS 01190070 1986-04-02 83000 5 18.96 USGS 01190070 1987-04-08 139000 5 25.60 USGS 01190070 1988-05-01 71000 5 16.61 USGS 01190070 1989-05-08 85200 5 18.76 6 USGS 01190070 1990-03-22 93200 5 19.88 USGS 01190070 1990-12-26 72800 5 17.45 USGS 01190070 1992-04-27 68200 5 16.15 USGS 01190070 1993-04-01 103000 5 21.21 USGS 01190070 1994-04-19 103000 5 21.22 USGS 01190070 1995-01-19 45500 5 12.07 USGS 01190070 1996-04-18 106000 5 21.56 USGS 01190070 1996-12-04 79900 5 17.99 USGS 01190070 1998-04-02 102000 5 21.06 6 USGS 01190070 1999-09-18 74500 5 17.16 6 USGS 01190070 2000-04-06 72100 5 16.79 USGS 01190070 2001-04-29 100000 5 20.20 USGS 01190070 2002-04-17 69800 5 15.79 USGS 01190070 2003-04-01 92000 5 19.14 USGS 01190070 2003-10-31 98100 5 19.90 5 USGS 01190070 2005-04-05 113000 5 22.00 4 USGS 01190070 2005-10-10 105000 5 20.90 USGS 01190070 2007-04-18 120000 5 23.38 USGS 01190070 2008-04-15 87400 5 18.95 USGS 01190070 2008-12-13 87300 5 18.94 USGS 01190070 2010-04-01 104000 5 21.29 USGS 01190070 2011-08-30 132000 5 24.78 USGS 01190070 2011-12-09 64900 5 15.60 USGS 01190070 2013-06-15 84900 5 18.60 USGS 01190070 2014-04-18 95100 5 20.05 USGS 01190070 2015-04-16 74500 5 17.08 USGS 01190070 2016-02-27 13:15 89200 5 19.21 USGS 01190070 2017-04-09 01:30 77400 5 17.16 USGS 01190070 2017-11-01 05:00 75200 5 16.82 USGS 01190070 2019-04-29 02:15 91500 5 20.29 USGS 01190070 2020-04-16 71800 5 16.29 USGS 01190070 2020-12-27 11:45 86600 5 18.56 USGS 01190070 2022-04-10 07:00 59200 5 14.19 USGS 01190070 2023-07-13 00:45 96900 5 21.08