# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-25 04:38:57 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 01304500 PECONIC RIVER AT RIVERHEAD NY # # 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 01304500 1943-02-15 61.0 5 0.66 USGS 01304500 1944-01-06 69.0 5 0.70 USGS 01304500 1945-09-26 68.0 5 0.69 USGS 01304500 1946-08-07 76.0 5 0.73 USGS 01304500 1946-11-27 68.0 5 0.69 USGS 01304500 1947-11-13 73.0 5 0.71 USGS 01304500 1949-01-01 83.0 5 0.75 USGS 01304500 1950-02-15 67.0 5 0.69 USGS 01304500 1951-02-22 69.0 5 0.70 USGS 01304500 1952-03-11 78.0 5 0.73 USGS 01304500 1953-04-14 140 5 0.97 USGS 01304500 1954-09-17 91.0 5 0.80 USGS 01304500 1955-08-12 81.0 5,9 0.76 USGS 01304500 1955-11-07 107 5 0.86 USGS 01304500 1957-04-11 128 5 0.93 USGS 01304500 1958-04-16 124 5 0.92 USGS 01304500 1958-10-31 110 5 0.86 USGS 01304500 1959-10-16 111 5 0.88 USGS 01304500 1961-04-19 72.0 5 0.70 USGS 01304500 1962-04-10 93.0 5 0.81 USGS 01304500 1963-06-17 92.0 5 0.80 USGS 01304500 1964-04-13 95.0 5 0.81 USGS 01304500 1965-06-08 60.0 5 0.67 2 1965-08-02 0.69 USGS 01304500 1966-03-01 50.0 5 0.60 USGS 01304500 1967-04-19 45.0 5 0.58 USGS 01304500 1968-03-18 81.0 5 0.75 USGS 01304500 1969-07-28 68.0 5 0.69 USGS 01304500 1970-04-02 86.0 5 0.78 USGS 01304500 1971-03-05 100 5 0.83 USGS 01304500 1972-07-24 83.0 5 0.77 USGS 01304500 1973-04-11 117 5 0.89 USGS 01304500 1973-11-01 81.0 5 0.75 USGS 01304500 1975-06-13 77.0 5 0.74 USGS 01304500 1976-02-02 83.0 5 0.76 USGS 01304500 1977-08-25 64.0 5 0.67 USGS 01304500 1978-01-30 225 5 1.20 USGS 01304500 1979-02-03 201 5 1.14 USGS 01304500 1980-04-10 79.0 5 0.73 USGS 01304500 1981-04-06 38.0 5 0.54 USGS 01304500 1982-06-12 154 5 1.01 USGS 01304500 1983-04-24 135 5 0.94 USGS 01304500 1984-06-05 144 5 0.97 2 1984-03-29 2.09 1 USGS 01304500 1985-05-04 54.0 5 0.61 USGS 01304500 1986-03-19 83.0 5 0.76 USGS 01304500 1987-04-08 77.0 5 0.72 USGS 01304500 1988-02-26 70.0 5 0.68 USGS 01304500 1989-08-12 144 5 0.98 USGS 01304500 1989-10-03 101 5 0.82 USGS 01304500 1991-08-21 128 5 0.93 USGS 01304500 1992-06-06 68.0 5 0.68 USGS 01304500 1993-03-24 81.0 5 0.75 2 1992-12-11 2.33 1 USGS 01304500 1994-03-10 90.0 5 0.79 USGS 01304500 1995-02-06 50.0 5 0.59 USGS 01304500 1996-04-17 70.0 5 0.69 USGS 01304500 1997-03-10 98.0 5 0.82 USGS 01304500 1998-05-12 111 5 0.86 USGS 01304500 1999-03-16 77.0 5 0.68 USGS 01304500 2000-04-22 62.0 5 0.64 USGS 01304500 2001-03-31 98.0 5 0.82 USGS 01304500 2001-10-02 38.0 5 0.49 USGS 01304500 2003-06-13 175 5 1.07 USGS 01304500 2004-04-14 84.0 5 0.74 USGS 01304500 2004-12-14 102 5 0.82 USGS 01304500 2005-10-15 172 5 1.07 USGS 01304500 2007-04-16 110 5 0.85 USGS 01304500 2008-03-09 68.0 5 0.66 USGS 01304500 2008-12-23 82.0 5 0.73 USGS 01304500 2010-04-02 201 5 1.11 USGS 01304500 2011-08-28 60.0 5,9 0.62 USGS 01304500 2012-01-17 55.0 5 0.57 USGS 01304500 2013-06-13 78.0 5 0.71 2 2012-10-29 1.18 1 USGS 01304500 2014-03-31 91.0 5 0.77 USGS 01304500 2014-12-11 74.0 2,5 0.70 5 USGS 01304500 2016-03-15 32.0 5 0.45 USGS 01304500 2017-04-06 62.0 5 0.63 USGS 01304500 2018-02-12 16:00 64.4 5 0.63 USGS 01304500 2019-01-22 10:45 114 5 0.87 USGS 01304500 2019-12-14 17:15 51.5 5 0.59 USGS 01304500 2021-07-09 09:37 49.0 5 0.57 USGS 01304500 2021-10-27 04:07 45.5 5 0.55 USGS 01304500 2023-04-04 03:37 46.3 5 0.54