# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-24 07:21:02 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 01196500 QUINNIPIAC RIVER AT WALLINGFORD, 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 01196500 1931-03-09 852 5.73 USGS 01196500 1932-03-29 1330 6.90 USGS 01196500 1932-11-11 1260 6.75 USGS 01196500 1934-03-05 1810 7.86 USGS 01196500 1935-01-10 1120 6.40 USGS 01196500 1936-03-12 2680 9.20 USGS 01196500 1936-12-21 1160 6.52 USGS 01196500 1938-09-21 5230 10.55 USGS 01196500 1939-02-26 1690 7.40 USGS 01196500 1940-05-31 2270 8.66 USGS 01196500 1941-02-08 2010 8.33 USGS 01196500 1942-03-09 1370 6.85 USGS 01196500 1942-12-30 1890 8.09 USGS 01196500 1944-09-15 2200 8.61 USGS 01196500 1945-01-02 1180 6.45 USGS 01196500 1946-05-28 1180 6.39 USGS 01196500 1947-03-14 770 5.12 USGS 01196500 1948-03-17 1690 7.37 USGS 01196500 1949-01-01 2500 8.97 USGS 01196500 1950-03-24 655 4.53 USGS 01196500 1951-03-31 1880 7.89 USGS 01196500 1952-03-12 2270 8.42 USGS 01196500 1953-03-14 2100 8.15 USGS 01196500 1954-09-11 1810 7.81 USGS 01196500 1955-08-20 3790 10.01 USGS 01196500 1955-10-17 3000 9.49 USGS 01196500 1957-04-07 890 5.48 USGS 01196500 1958-01-26 1150 6.40 USGS 01196500 1959-03-07 2070 8.45 USGS 01196500 1960-09-12 2130 8.50 USGS 01196500 1961-02-26 1750 7.62 USGS 01196500 1962-03-13 2780 9.20 USGS 01196500 1963-03-06 1460 7.02 USGS 01196500 1964-01-25 1130 6.14 USGS 01196500 1965-02-25 1300 6.81 USGS 01196500 1966-02-13 1370 6.98 USGS 01196500 1967-04-18 760 4.98 USGS 01196500 1968-03-18 1740 7.82 USGS 01196500 1969-03-25 2700 2 USGS 01196500 1970-02-03 3770 10.00 USGS 01196500 1971-09-12 1200 2 USGS 01196500 1972-03-04 2500 8.94 USGS 01196500 1973-02-03 3590 9.91 USGS 01196500 1973-12-21 3180 9.62 USGS 01196500 1975-09-27 2140 8.44 USGS 01196500 1976-01-28 3700 10.50 USGS 01196500 1977-03-27 1870 7.98 USGS 01196500 1978-01-26 3120 10.14 USGS 01196500 1979-01-25 5580 12.93 USGS 01196500 1980-03-22 2890 9.82 USGS 01196500 1981-02-21 1790 7.97 USGS 01196500 1982-06-06 8200 14.02 1633 USGS 01196500 1983-04-11 3870 11.11 USGS 01196500 1984-05-31 3650 10.85 USGS 01196500 1985-08-01 1260 6.67 USGS 01196500 1986-01-27 2580 9.37 USGS 01196500 1987-04-05 3160 10.21 USGS 01196500 1988-07-24 2440 9.15 USGS 01196500 1989-05-25 2440 9.14 USGS 01196500 1989-10-20 3910 11.17 USGS 01196500 1991-08-19 2940 10.09 USGS 01196500 1992-06-06 5250 12.46 USGS 01196500 1992-11-23 2020 9.34 USGS 01196500 1994-01-28 2550 9.85 USGS 01196500 1995-03-09 1180 6.97 USGS 01196500 1996-04-16 4530 12.14 USGS 01196500 1996-12-02 2410 9.78 USGS 01196500 1998-03-09 3020 10.13 USGS 01196500 1999-09-17 2860 9.91 USGS 01196500 2000-04-22 2400 9.20 USGS 01196500 2001-03-22 2450 9.77 USGS 01196500 2002-05-14 1180 6.84 USGS 01196500 2003-09-28 2690 9.65 USGS 01196500 2004-04-14 2640 9.58 USGS 01196500 2005-03-29 1970 8.51 USGS 01196500 2005-10-15 3940 11.24 USGS 01196500 2007-04-16 4220 11.51 USGS 01196500 2008-02-13 3120 10.40 USGS 01196500 2008-12-12 3540 10.81 USGS 01196500 2010-03-30 3670 10.68 USGS 01196500 2011-03-07 4910 11.70 USGS 01196500 2011-12-08 3100 10.05 USGS 01196500 2013-06-08 2120 9.65 USGS 01196500 2014-05-01 2520 10.11 USGS 01196500 2014-12-09 1710 8.83 USGS 01196500 2016-02-25 06:15 1850 9.13 USGS 01196500 2017-04-07 16:30 1240 7.57 USGS 01196500 2018-09-25 23:15 2500 10.09 USGS 01196500 2019-01-24 19:15 3530 11.11 USGS 01196500 2020-04-13 21:00 1970 9.45 USGS 01196500 2021-09-02 06:15 3680 USGS 01196500 2022-04-09 1580 8.55