# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-07-27 08:07:11 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 02336000 CHATTAHOOCHEE RIVER AT ATLANTA, 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 02336000 1886-04-00 47000 2,7,Bd USGS 02336000 1901-12-29 47500 2,7 USGS 02336000 1919-12-10 64000 7 29.00 1880 USGS 02336000 1929-09-28 28700 18.80 USGS 02336000 1930-03-09 16800 12.00 USGS 02336000 1930-11-17 8900 7.50 USGS 02336000 1931-12-16 18900 13.20 USGS 02336000 1937-01-04 25300 18.10 USGS 02336000 1938-07-24 18300 14.10 USGS 02336000 1939-08-19 14100 11.50 USGS 02336000 1940-08-15 24200 17.50 USGS 02336000 1941-07-07 11500 9.90 USGS 02336000 1942-02-19 22100 16.30 USGS 02336000 1942-12-31 19200 14.60 USGS 02336000 1944-03-31 23400 17.60 USGS 02336000 1945-02-23 10200 8.90 USGS 02336000 1946-01-09 59000 28.00 USGS 02336000 1947-01-22 29800 20.20 USGS 02336000 1948-08-06 18200 14.50 USGS 02336000 1948-11-28 34400 21.70 USGS 02336000 1950-03-15 13900 11.20 USGS 02336000 1950-10-21 11400 9.50 USGS 02336000 1952-03-13 34400 21.70 USGS 02336000 1953-01-11 18000 14.30 USGS 02336000 1954-01-18 27400 19.30 USGS 02336000 1955-02-09 18000 14.30 USGS 02336000 1956-03-16 15100 6 12.10 USGS 02336000 1957-04-05 20100 6 15.80 USGS 02336000 1958-02-14 7540 6 7.20 USGS 02336000 1959-05-31 8260 6 7.70 USGS 02336000 1960-03-30 12400 6 10.20 USGS 02336000 1961-02-25 24900 6 18.30 USGS 02336000 1961-12-12 19200 6 15.20 USGS 02336000 1963-04-30 17000 6 18.19 1 USGS 02336000 1964-04-06 26000 6 19.38 1 USGS 02336000 1965-03-26 10700 6 9.41 USGS 02336000 1966-03-04 24800 6 18.24 USGS 02336000 1967-08-24 11900 6 10.20 USGS 02336000 1968-01-11 11000 6 11.90 USGS 02336000 1969-04-19 11000 6 15.06 1 USGS 02336000 1970-03-20 8400 6 13.28 1 USGS 02336000 1971-03-03 13700 6 11.28 USGS 02336000 1972-01-11 17500 6 17.74 1 USGS 02336000 1973-03-17 16800 6 16.43 1 USGS 02336000 1974-01-01 14100 6 15.51 1 USGS 02336000 1975-03-13 18300 6 17.36 1 USGS 02336000 1976-03-16 19200 6 18.17 USGS 02336000 1977-03-30 28900 6 20.57 USGS 02336000 1978-01-26 15200 6 15.84 1 USGS 02336000 1979-04-13 26700 6 22.29 USGS 02336000 1980-03-28 15000 6 15.03 1 USGS 02336000 1981-02-10 8460 6 9.53 1 USGS 02336000 1982-02-03 24100 6 20.66 1 USGS 02336000 1983-04-08 15400 6 15.82 1 USGS 02336000 1983-12-06 18100 6 16.99 1 USGS 02336000 1985-08-17 9910 6 10.91 1 USGS 02336000 1986-08-01 6870 6 7.33 USGS 02336000 1987-01-19 17300 6 13.72 USGS 02336000 1988-02-04 9920 6 9.48 USGS 02336000 1989-07-17 12500 6 11.82 USGS 02336000 1990-03-17 25100 6 23.03 USGS 02336000 1991-09-02 15000 6 12.15 USGS 02336000 1992-08-21 16200 6 13.16 USGS 02336000 1993-01-11 15000 6 12.15 USGS 02336000 1994-06-27 14800 6 13.68 USGS 02336000 1995-02-16 17200 6 15.82 USGS 02336000 1995-10-05 20800 6 20.32 USGS 02336000 1997-09-25 19900 6 17.34 USGS 02336000 1998-03-08 09:30 18700 6 19.55 USGS 02336000 1999-02-01 11:00 5750 6 6.67 USGS 02336000 2000-09-01 07:00 16200 6 13.70 USGS 02336000 2001-03-15 07:30 8440 6 9.04 USGS 02336000 2002-05-04 11:15 15200 6 12.55 USGS 02336000 2003-06-17 06:30 17100 6 15.55 2 2003-05-06 2145 16.31 USGS 02336000 2004-09-17 02:30 26900 6 22.08 USGS 02336000 2005-07-17 14100 6 12.09 2 USGS 02336000 2006-01-23 21:15 10400 6 10.74 USGS 02336000 2006-11-15 22:30 9200 6 10.55 USGS 02336000 2008-08-26 13:00 7280 6 7.39 USGS 02336000 2009-09-21 21:00 40900 6 27.80 2 USGS 02336000 2009-11-11 04:45 19200 6 19.07 USGS 02336000 2011-04-16 04:00 10600 6 9.85 USGS 02336000 2012-07-12 07:45 7920 6 7.75 2 2012-03-03 1045 8.00 1 USGS 02336000 2013-05-05 06:00 12100 6 13.97 2 2013-05-05 0730 14.29 1 USGS 02336000 2014-04-07 10:30 11500 6 12.76 1,2 2014-04-07 14.86 1 USGS 02336000 2015-01-04 10:00 10700 6 11.10 1,2 2015-01-04 11.41 1 USGS 02336000 2016-01-15 15200 6 14.12 USGS 02336000 2017-08-09 9510 6 9.23 1,2 2017-04-06 12.09 USGS 02336000 2018-06-08 21:30 9540 6 8.70 USGS 02336000 2019-04-19 10:45 17000 6 15.62 1,2 2018-12-28 1845 18.76 1 USGS 02336000 2020-03-25 08:00 13800 6 13.29 2 2020-09-17 1600 16.60 1 USGS 02336000 2020-10-11 06:00 22100 2,6 19.95 USGS 02336000 2022-04-05 16:15 9880 6 10.20 1,2 2021-12-30 1330 11.89 1 USGS 02336000 2023-01-04 17:15 14500 6 16.13