# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-19 23:56:57 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 01029500 East Branch Penobscot River at Grindstone, Maine # # 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 01029500 1903-03-26 10900 6 10.04 USGS 01029500 1904-05-02 13900 6 11.05 USGS 01029500 1905-04-07 7780 6 9.00 USGS 01029500 1906-05-07 12400 6 10.53 USGS 01029500 1907-05-01 18200 6 12.40 USGS 01029500 1908-05-02 14600 6 11.23 USGS 01029500 1909-09-29 24400 6 14.30 USGS 01029500 1910-04-07 8290 6 9.30 USGS 01029500 1911-05-03 9820 6 9.93 USGS 01029500 1912-04-24 12400 6 10.92 USGS 01029500 1912-10-26 16700 6 12.24 USGS 01029500 1914-05-10 15900 6 12.05 USGS 01029500 1915-05-05 10200 6 10.14 USGS 01029500 1916-05-01 7580 6 9.00 USGS 01029500 1917-06-19 18600 6 12.65 USGS 01029500 1918-07-09 12900 6 11.00 USGS 01029500 1919-04-26 10800 6 10.00 USGS 01029500 1920-05-10 14700 6 11.30 USGS 01029500 1921-03-29 13200 6 10.80 USGS 01029500 1922-06-22 15700 6 11.40 USGS 01029500 1923-04-30 37000 6 16.90 USGS 01029500 1924-05-02 14000 6 11.25 USGS 01029500 1925-04-05 6020 6 8.40 USGS 01029500 1926-05-04 14000 6 11.25 USGS 01029500 1927-04-24 10500 6 10.10 USGS 01029500 1927-11-05 22400 6 13.60 USGS 01029500 1929-05-04 15200 6 11.60 USGS 01029500 1930-05-04 9670 6 9.33 USGS 01029500 1931-06-10 8130 6 8.77 USGS 01029500 1932-09-17 16600 6 11.37 USGS 01029500 1933-04-18 16600 6 11.44 USGS 01029500 1934-04-21 14900 6 10.88 USGS 01029500 1935-04-29 12900 6 10.32 USGS 01029500 1936-03-20 26900 6 14.00 USGS 01029500 1937-05-21 10300 6 9.64 USGS 01029500 1938-04-22 9860 2,6 USGS 01029500 1939-05-10 12700 6 10.29 USGS 01029500 1940-04-14 23700 6 13.77 1 USGS 01029500 1941-04-22 12000 6 10.09 USGS 01029500 1942-04-26 12700 6 10.31 USGS 01029500 1943-05-13 11600 6 10.09 USGS 01029500 1943-11-10 13900 6 10.84 USGS 01029500 1945-04-03 12900 6 10.54 USGS 01029500 1946-04-28 12900 6 10.46 USGS 01029500 1947-05-07 16300 6 11.48 USGS 01029500 1948-05-19 12600 6 10.45 USGS 01029500 1949-04-18 8080 6 8.91 USGS 01029500 1950-04-22 13900 6 10.80 USGS 01029500 1950-11-29 19100 6 12.26 USGS 01029500 1952-04-21 11400 6 10.05 USGS 01029500 1953-03-31 18300 6 12.04 USGS 01029500 1954-09-12 17700 6 11.91 USGS 01029500 1955-04-16 11200 6 9.86 USGS 01029500 1956-05-01 7860 6 8.73 1 USGS 01029500 1957-04-22 7470 6 8.58 USGS 01029500 1958-04-24 24800 6 13.49 USGS 01029500 1959-06-16 9450 6 9.30 USGS 01029500 1959-10-26 13800 6 10.65 USGS 01029500 1961-05-29 17100 6 11.58 USGS 01029500 1962-04-09 7130 6 8.56 USGS 01029500 1963-05-02 15200 6 11.06 USGS 01029500 1963-11-09 20500 6 12.48 USGS 01029500 1965-04-23 4220 6 7.35 2 1965-04-17 7.53 1 USGS 01029500 1966-04-23 6790 6 8.43 USGS 01029500 1966-11-04 25600 6 13.68 USGS 01029500 1968-04-26 9830 6 9.51 USGS 01029500 1969-05-11 15300 6 11.07 USGS 01029500 1970-04-26 13300 6 10.49 USGS 01029500 1971-05-05 18200 6 11.90 USGS 01029500 1972-05-08 12900 6 10.38 USGS 01029500 1973-04-29 30600 6 14.71 USGS 01029500 1973-12-22 23500 6 13.20 USGS 01029500 1975-06-08 12800 6 10.34 USGS 01029500 1976-04-04 21300 6 12.65 USGS 01029500 1977-04-23 13100 6 10.43 USGS 01029500 1978-05-10 10100 6 9.58 USGS 01029500 1979-04-29 24900 6 13.52 USGS 01029500 1980-04-11 7770 6 8.80 USGS 01029500 1981-09-25 20000 6 12.34 USGS 01029500 1982-04-28 17800 6 11.79 USGS 01029500 1987-04-00 27000 6,7,Bd 13.97 Bd USGS 01029500 2000-04-10 19800 6 12.06 USGS 01029500 2001-04-25 13100 6 10.25 USGS 01029500 2002-04-15 11300 6 9.70 USGS 01029500 2003-04-24 10700 6 9.54 USGS 01029500 2003-10-30 11700 6 9.84 USGS 01029500 2005-04-29 25600 6 13.56 USGS 01029500 2005-10-17 20700 6 12.38 USGS 01029500 2007-04-25 09:00 14500 6 10.71 USGS 01029500 2008-04-30 14:00 35200 6 15.03 USGS 01029500 2009-04-08 06:45 17500 6 11.38 USGS 01029500 2010-04-01 07:00 13800 6 10.44 USGS 01029500 2010-12-14 14:15 22700 6 12.57 USGS 01029500 2012-03-23 11:30 13000 6 10.24 USGS 01029500 2013-06-13 05:15 14200 6 10.55 USGS 01029500 2014-04-16 21:00 19900 6 11.95 USGS 01029500 2015-04-22 12:00 12400 6 10.08 USGS 01029500 2016-04-08 21:30 14600 6 10.65 USGS 01029500 2017-04-17 18:30 16900 6 11.25 USGS 01029500 2018-04-27 09:30 21300 6 12.26 USGS 01029500 2019-04-28 09:45 22800 6 12.60 USGS 01029500 2020-04-14 20:45 14800 6 10.71 USGS 01029500 2020-12-02 05:15 17700 6 11.43 USGS 01029500 2022-04-17 10:45 10900 6 9.65 USGS 01029500 2023-04-19 15700 6 11.69