# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-08 11:17:31 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 02226000 ALTAMAHA RIVER AT DOCTORTOWN, GA # # 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 02226000 1925-01-23 300000 18.60 1800 USGS 02226000 1926-02-04 53900 12.40 USGS 02226000 1927-08-02 23000 10.60 USGS 02226000 1928-08-25 126000 15.00 USGS 02226000 1929-03-13 179000 16.30 USGS 02226000 1929-10-13 133000 15.20 USGS 02226000 1931-05-18 32300 11.10 USGS 02226000 1932-01-21 36800 11.40 USGS 02226000 1933-03-04 46400 12.10 USGS 02226000 1934-03-17 46400 12.10 USGS 02226000 1935-09-15 21600 10.30 USGS 02226000 1936-04-18 178000 16.00 USGS 02226000 1937-05-13 47800 12.10 USGS 02226000 1938-04-19 68000 13.00 USGS 02226000 1939-03-11 98000 14.20 USGS 02226000 1940-03-03 35300 11.30 USGS 02226000 1941-07-26 27500 10.70 USGS 02226000 1942-04-03 89500 14.00 USGS 02226000 1943-04-02 71100 13.30 USGS 02226000 1944-04-02 112000 14.50 USGS 02226000 1945-05-10 35200 11.30 USGS 02226000 1946-01-22 71000 13.00 USGS 02226000 1947-03-21 71000 13.00 USGS 02226000 1948-04-04 92500 14.00 USGS 02226000 1948-12-12 118000 14.80 USGS 02226000 1950-03-22 23400 10.30 USGS 02226000 1951-04-04 29000 10.80 USGS 02226000 1952-03-18 71400 13.20 USGS 02226000 1953-05-16 66700 13.00 USGS 02226000 1953-12-30 39600 11.60 USGS 02226000 1955-04-26 22400 10.20 USGS 02226000 1956-04-01 32700 11.10 USGS 02226000 1957-04-11 31400 11.00 USGS 02226000 1958-03-15 53700 12.40 USGS 02226000 1959-03-16 44300 11.90 USGS 02226000 1960-04-12 89600 13.90 USGS 02226000 1961-03-10 81400 13.60 USGS 02226000 1962-03-10 53700 12.40 USGS 02226000 1963-02-04 53700 12.40 USGS 02226000 1964-04-20 79000 13.90 USGS 02226000 1965-02-23 66000 13.30 USGS 02226000 1966-03-12 110000 14.84 USGS 02226000 1967-01-16 51400 12.44 USGS 02226000 1968-01-26 26000 10.61 USGS 02226000 1969-05-04 34700 11.37 USGS 02226000 1970-04-06 79000 14.04 USGS 02226000 1971-03-16 96200 14.76 USGS 02226000 1972-01-25 73700 13.82 USGS 02226000 1973-02-14 63600 13.38 USGS 02226000 1974-02-28 48600 12.60 USGS 02226000 1975-03-28 104000 14.71 USGS 02226000 1976-03-31 60800 12.90 USGS 02226000 1977-04-03 55500 12.65 USGS 02226000 1978-02-07 90000 14.16 USGS 02226000 1979-03-08 90200 14.17 USGS 02226000 1980-03-23 99200 14.53 USGS 02226000 1981-02-26 37800 11.59 USGS 02226000 1982-02-17 60600 12.89 USGS 02226000 1983-04-21 69300 13.30 USGS 02226000 1984-03-11 62400 12.97 USGS 02226000 1985-02-19 47000 12.18 USGS 02226000 1986-02-15 41800 11.86 USGS 02226000 1987-01-28 75600 13.58 USGS 02226000 1988-03-16 23700 10.36 USGS 02226000 1989-04-23 31900 11.14 USGS 02226000 1990-03-31 70600 13.36 USGS 02226000 1991-03-10 80700 13.79 USGS 02226000 1992-03-01 41700 11.85 USGS 02226000 1993-01-17 91700 14.21 USGS 02226000 1994-07-19 96900 14.59 USGS 02226000 1995-02-28 82400 14.02 USGS 02226000 1996-02-15 62800 12.99 USGS 02226000 1997-03-01 12:00 57700 12.75 USGS 02226000 1998-03-19 01:00 135000 15.55 USGS 02226000 1999-02-15 08:00 31600 11.12 USGS 02226000 2000-03-31 05:30 22700 10.26 USGS 02226000 2001-03-28 06:45 59800 12.85 USGS 02226000 2002-04-11 12300 8.82 USGS 02226000 2003-03-25 17:00 66500 13.17 USGS 02226000 2004-09-10 19:00 47900 12.23 USGS 02226000 2005-04-07 15:45 97400 14.41 USGS 02226000 2006-03-05 12:30 26800 10.68 USGS 02226000 2007-03-16 01:45 30400 11.02 USGS 02226000 2008-02-27 23:30 33500 11.27 USGS 02226000 2009-04-11 07:30 89200 14.58 USGS 02226000 2009-12-22 00:15 70400 13.74 USGS 02226000 2011-02-18 01:45 27300 10.78 USGS 02226000 2012-03-10 00:30 11500 8.69 USGS 02226000 2013-03-02 05:00 66900 13.56 USGS 02226000 2014-04-23 13:30 51800 12.71 USGS 02226000 2015-05-02 12:00 41200 11.99 USGS 02226000 2016-01-08 07:00 92200 14.70 USGS 02226000 2017-01-26 38500 11.78 USGS 02226000 2018-06-10 13:00 26400 10.69 USGS 02226000 2019-01-15 20:45 57600 13.06 USGS 02226000 2020-03-01 11:15 99700 14.99 USGS 02226000 2021-02-22 16:45 64200 13.42 USGS 02226000 2022-04-19 03:30 51900 12.74 USGS 02226000 2023-04-09 05:15 55700 12.95