# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-21 18:19:13 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 01502500 UNADILLA RIVER AT ROCKDALE 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 01502500 1929-12-20 5750 7.80 3 USGS 01502500 1931-03-27 6500 8.30 3 USGS 01502500 1932-02-13 6500 8.30 3 USGS 01502500 1932-10-07 10400 11.00 3 USGS 01502500 1935-07-08 9810 7 USGS 01502500 1937-04-07 8290 9.77 6 USGS 01502500 1938-09-22 6650 8.82 2 1938-02-07 8.85 1 USGS 01502500 1939-02-21 9300 10.46 USGS 01502500 1940-04-01 13400 11.92 USGS 01502500 1941-04-07 7960 9.81 USGS 01502500 1942-03-18 9400 10.55 USGS 01502500 1942-12-31 17400 12.98 USGS 01502500 1944-03-18 10600 11.00 USGS 01502500 1945-03-17 8030 9.68 USGS 01502500 1946-03-08 8720 10.06 USGS 01502500 1947-04-07 9270 10.21 USGS 01502500 1948-03-21 12800 11.86 USGS 01502500 1949-01-06 6310 8.77 USGS 01502500 1950-09-02 12500 11.77 USGS 01502500 1950-12-05 7600 9.32 USGS 01502500 1952-03-12 7310 9.17 USGS 01502500 1953-01-25 7100 9.06 USGS 01502500 1954-02-18 6900 8.95 USGS 01502500 1955-03-12 9180 10.14 USGS 01502500 1956-04-06 13100 11.54 USGS 01502500 1957-01-23 6000 2 8.39 1 USGS 01502500 1958-04-07 11200 10.81 USGS 01502500 1959-01-22 12700 11.36 USGS 01502500 1960-04-05 13300 11.61 USGS 01502500 1961-02-26 13100 11.54 USGS 01502500 1962-04-01 11800 11.04 USGS 01502500 1963-03-27 12100 11.12 USGS 01502500 1964-03-06 15200 12.30 USGS 01502500 1965-02-09 3430 6.89 2 1965-02-09 1200 7.31 1 USGS 01502500 1966-02-14 5420 8.10 USGS 01502500 1967-03-30 4130 7.40 USGS 01502500 1968-03-24 7420 9.11 USGS 01502500 1968-11-19 7110 8.96 USGS 01502500 1970-04-03 9640 10.15 USGS 01502500 1971-02-15 6440 8.63 USGS 01502500 1972-04-18 7270 9.04 USGS 01502500 1973-01-02 7840 9.31 USGS 01502500 1973-12-28 8640 9.69 USGS 01502500 1975-02-25 9700 10.14 USGS 01502500 1976-02-23 8260 9.50 USGS 01502500 1977-03-14 16200 12.64 USGS 01502500 1977-10-18 13400 11.63 USGS 01502500 1979-03-06 16300 12.62 USGS 01502500 1980-03-22 9330 9.98 USGS 01502500 1981-02-21 8300 9.48 2 1981-02-11 10.30 1 USGS 01502500 1982-04-02 5330 7.96 USGS 01502500 1983-05-02 9040 9.85 USGS 01502500 1983-12-14 13400 11.60 USGS 01502500 1985-09-28 7780 9.26 USGS 01502500 1986-03-16 13000 11.47 USGS 01502500 1986-11-27 8280 9.50 USGS 01502500 1988-03-27 6650 8.69 USGS 01502500 1989-04-01 6730 8.98 USGS 01502500 1990-02-17 7620 9.41 USGS 01502500 1990-11-11 6690 8.98 USGS 01502500 1992-05-03 3990 7.54 USGS 01502500 1993-04-11 14000 11.89 USGS 01502500 1994-04-08 7440 9.33 USGS 01502500 1995-03-08 4080 7.59 USGS 01502500 1996-01-19 13900 2 1996-01-20 12.24 1 USGS 01502500 1996-12-03 11100 10.84 USGS 01502500 1998-01-09 12000 11.16 USGS 01502500 1999-01-25 11500 10.99 USGS 01502500 2000-02-28 13800 11.81 USGS 01502500 2001-04-10 11600 11.04 USGS 01502500 2002-03-27 5740 8.51 USGS 01502500 2003-03-22 11400 10.97 USGS 01502500 2004-03-06 6920 9.09 USGS 01502500 2005-04-03 13900 11.83 USGS 01502500 2006-06-28 20200 13.96 USGS 01502500 2006-11-17 9600 10.38 USGS 01502500 2008-03-09 10200 10.59 USGS 01502500 2009-03-09 7140 9.44 USGS 01502500 2010-03-24 7170 9.19 USGS 01502500 2011-09-08 21100 9 14.22 USGS 01502500 2012-01-28 4400 7.78 USGS 01502500 2013-06-29 9170 10.03 USGS 01502500 2014-05-17 11300 10.89 USGS 01502500 2015-04-11 7210 9.17 USGS 01502500 2016-08-01 6450 8.81 USGS 01502500 2017-04-07 10200 10.63 USGS 01502500 2018-02-21 22:30 6570 8.99 USGS 01502500 2019-02-08 21:30 5590 8.43 USGS 01502500 2019-11-02 04:45 7900 9.66 USGS 01502500 2020-12-26 08:45 9860 10.49 USGS 01502500 2022-04-08 19:52 7780 9.73 USGS 01502500 2023-05-01 13:15 6310 8.76