# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-02 18:20:47 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 01119500 WILLIMANTIC RIVER NEAR COVENTRY, 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 01119500 1932-03-28 1160 5 6.65 USGS 01119500 1932-11-10 1260 5 6.84 USGS 01119500 1934-03-06 4420 5 10.30 USGS 01119500 1935-01-10 2220 5 8.26 USGS 01119500 1936-03-12 7880 5 12.19 USGS 01119500 1936-12-20 1660 5 7.56 USGS 01119500 1938-09-21 15500 3,5 18.08 USGS 01119500 1939-02-16 2100 5 8.19 USGS 01119500 1940-01-15 3400 5 9.59 USGS 01119500 1941-02-08 2660 5 9.01 USGS 01119500 1942-03-09 1880 5 8.16 USGS 01119500 1942-12-31 2040 5 8.37 USGS 01119500 1944-06-25 2120 5 8.43 USGS 01119500 1945-01-02 1510 5 7.58 USGS 01119500 1946-01-07 945 5 6.31 2 1945-12-26 9.98 1 USGS 01119500 1947-03-15 1020 5 6.16 USGS 01119500 1948-03-21 2240 5 8.25 USGS 01119500 1949-01-06 1070 5 6.25 USGS 01119500 1950-05-26 838 5 5.64 USGS 01119500 1951-02-08 2240 5 8.25 USGS 01119500 1951-12-21 1800 5 7.56 USGS 01119500 1953-03-16 2300 5 8.49 USGS 01119500 1954-09-12 3100 5 9.37 USGS 01119500 1955-08-19 24200 5 18.66 USGS 01119500 1955-10-16 2990 5 9.29 USGS 01119500 1957-01-23 1420 5 7.56 USGS 01119500 1958-04-07 1450 5 7.58 USGS 01119500 1959-03-07 2840 5 9.22 USGS 01119500 1960-04-01 2950 5 9.34 USGS 01119500 1961-02-26 2060 5 8.39 USGS 01119500 1962-04-01 1320 5 7.35 USGS 01119500 1963-03-27 1360 5 7.45 USGS 01119500 1964-01-25 1290 2,5 7.30 2 1964-01-22 7.39 1 USGS 01119500 1965-02-26 860 2,5 6.25 2 1965-02-09 6.68 1 USGS 01119500 1966-02-14 932 5 6.43 USGS 01119500 1967-05-26 2360 5 8.73 USGS 01119500 1968-03-19 2860 5 9.22 USGS 01119500 1969-03-25 2020 5 8.36 USGS 01119500 1970-02-04 4270 5 10.35 USGS 01119500 1971-03-16 728 5 5.92 USGS 01119500 1972-03-03 3370 5 9.67 USGS 01119500 1973-02-03 3560 5 9.82 USGS 01119500 1973-12-21 4470 5 10.48 USGS 01119500 1975-09-27 2690 5 8.78 USGS 01119500 1976-01-28 3470 5 9.56 USGS 01119500 1977-03-14 1890 5 7.82 USGS 01119500 1978-01-26 4980 5 10.83 USGS 01119500 1979-01-25 5110 5 10.91 USGS 01119500 1980-04-10 2210 5 8.24 USGS 01119500 1981-02-24 1730 5 7.51 USGS 01119500 1982-06-05 6480 5 11.64 USGS 01119500 1983-04-20 3750 5 9.89 USGS 01119500 1984-05-31 5160 5 10.94 USGS 01119500 1985-08-26 882 5 5.94 USGS 01119500 1986-01-27 2670 5 8.85 USGS 01119500 1987-04-01 3980 5 10.09 USGS 01119500 1988-04-28 1160 5 6.54 USGS 01119500 1989-08-13 2640 5 8.81 USGS 01119500 1989-10-21 3430 5 9.61 USGS 01119500 1991-08-19 1700 5 7.49 USGS 01119500 1992-03-27 1250 5 6.70 USGS 01119500 1993-03-30 3370 5 9.56 USGS 01119500 1993-12-05 2030 5 8.00 USGS 01119500 1995-03-09 1350 5 6.89 USGS 01119500 1996-04-17 3960 5 10.43 USGS 01119500 1996-12-02 2190 5 8.23 USGS 01119500 1998-03-10 3940 5 10.06 USGS 01119500 1999-02-03 1730 5 7.54 USGS 01119500 2000-04-22 2700 2,5 USGS 01119500 2001-03-22 2200 1,2,5 USGS 01119500 2002-05-14 1070 5 6.27 USGS 01119500 2003-03-22 1620 5 7.35 USGS 01119500 2003-12-18 2360 5 8.46 USGS 01119500 2005-01-14 2110 5 8.11 USGS 01119500 2005-10-15 12400 5 14.64 USGS 01119500 2007-04-16 3790 5 9.93 USGS 01119500 2008-09-07 3700 5 9.85 USGS 01119500 2008-12-12 3860 5 9.99 USGS 01119500 2010-03-30 3220 5 9.31 USGS 01119500 2011-03-07 5440 5 11.12 USGS 01119500 2011-12-08 2470 5 8.40 USGS 01119500 2013-06-14 2760 5 8.75 USGS 01119500 2014-03-30 2310 5 8.19 USGS 01119500 2015-04-04 1240 5 6.29 USGS 01119500 2016-02-25 11:45 1420 5 6.63 USGS 01119500 2017-04-07 02:30 1470 5 6.73 USGS 01119500 2018-01-12 22:00 2660 5 8.67 USGS 01119500 2019-01-24 23:00 3150 5 9.23 USGS 01119500 2019-12-14 14:00 2120 5 7.90 USGS 01119500 2021-07-10 08:15 5070 5 11.28 USGS 01119500 2021-10-05 09:30 1190 5 6.24 USGS 01119500 2023-07-05 02:15 2600 5