# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-26 21:38:38 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 Georgia 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 02335000 CHATTAHOOCHEE RIVER NEAR NORCROSS, 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 02335000 1886-04-00 40000 7,Bd 23.40 3,Bd USGS 02335000 1901-12-29 45000 2 USGS 02335000 1903-03-24 32500 20.60 3 USGS 02335000 1904-08-09 14300 11.20 3 USGS 02335000 1905-01-13 16100 12.20 3 USGS 02335000 1906-01-04 24300 16.40 3 USGS 02335000 1906-10-03 13900 1 11.00 3 USGS 02335000 1908-04-26 20400 14.30 3 USGS 02335000 1909-03-14 22000 16.00 3 USGS 02335000 1910-05-09 12400 10.70 3 USGS 02335000 1911-04-06 14000 12.20 3 USGS 02335000 1912-03-16 30500 19.30 3 USGS 02335000 1913-03-15 16000 13.40 3 USGS 02335000 1914-04-15 11300 10.50 3 USGS 02335000 1914-12-05 18400 14.80 3 USGS 02335000 1915-12-30 36200 21.40 3 USGS 02335000 1917-03-25 24200 16.90 3 USGS 02335000 1918-01-29 10800 10.40 3 USGS 02335000 1918-12-23 35900 21.30 3 USGS 02335000 1919-12-10 54700 27.10 3 USGS 02335000 1921-02-10 33300 20.40 3 USGS 02335000 1922-03-11 14000 12.40 3 USGS 02335000 1922-12-18 18600 14.60 3 USGS 02335000 1924-04-19 11400 10.50 3 USGS 02335000 1925-01-19 16800 13.40 3 USGS 02335000 1926-01-19 19700 14.80 3 USGS 02335000 1927-02-14 11400 10.50 3 USGS 02335000 1928-08-17 15600 12.80 3 USGS 02335000 1929-09-27 31100 19.60 3 USGS 02335000 1930-03-08 16000 13.00 3 USGS 02335000 1930-11-17 10000 9.70 3 USGS 02335000 1931-12-16 19500 14.70 3 USGS 02335000 1932-12-29 32100 20.00 3 USGS 02335000 1934-03-05 31800 19.90 3 USGS 02335000 1934-10-07 17200 13.60 3 USGS 02335000 1936-04-07 38400 22.20 3 USGS 02335000 1937-01-04 27200 18.10 3 USGS 02335000 1938-07-23 17800 13.90 3 USGS 02335000 1939-08-19 14800 12.40 3 USGS 02335000 1940-08-15 22500 18.00 3 USGS 02335000 1941-07-06 9340 10.70 3 USGS 02335000 1942-02-18 20600 17.30 3 USGS 02335000 1942-12-31 15500 14.80 3 USGS 02335000 1944-03-30 22500 18.00 3 USGS 02335000 1945-04-26 9460 10.80 3 USGS 02335000 1946-01-08 55000 27.70 3 1880 USGS 02335000 1947-01-21 28900 20.10 3 USGS 02335000 1948-08-06 16600 15.40 3 USGS 02335000 1949-01-07 29200 20.20 3 USGS 02335000 1950-03-14 11000 12.00 3 USGS 02335000 1950-10-21 10500 11.60 3 USGS 02335000 1952-03-12 35000 22.00 3 USGS 02335000 1953-01-11 15800 15.00 3 USGS 02335000 1954-01-17 28600 20.00 3 USGS 02335000 1955-02-09 17300 15.80 3 USGS 02335000 1956-04-19 5120 6 6.90 USGS 02335000 1957-04-05 8580 6 10.10 USGS 02335000 1958-02-13 8970 6 10.00 USGS 02335000 1959-06-20 7890 6 9.60 USGS 02335000 1960-04-06 8710 6 10.20 USGS 02335000 1961-02-21 8950 6 10.58 USGS 02335000 1962-04-12 9500 6 11.00 USGS 02335000 1962-11-22 11000 6 12.05 USGS 02335000 1964-04-05 13200 6 13.10 USGS 02335000 1965-04-02 9760 6 10.84 USGS 02335000 1966-04-28 9500 6 10.67 USGS 02335000 1967-06-06 8800 6 10.20 USGS 02335000 1968-01-10 10500 6 11.30 USGS 02335000 1969-09-23 8530 6 10.02 USGS 02335000 1969-12-02 8650 6 10.10 USGS 02335000 1970-10-14 9300 6 10.53 USGS 02335000 1972-01-10 9430 6 10.62 USGS 02335000 1973-03-16 12200 6 12.47 USGS 02335000 1974-04-05 9260 6 10.30 USGS 02335000 1975-05-07 11200 6 11.48 USGS 02335000 1976-05-28 11100 6 11.49 USGS 02335000 1977-03-30 10500 6 11.09 USGS 02335000 1978-02-09 10400 6 11.03 USGS 02335000 1979-04-13 10600 6 11.66 USGS 02335000 1980-05-23 10500 6 11.59 USGS 02335000 1981-09-28 8500 6 9.92 USGS 02335000 1982-09-13 8280 6 9.73 USGS 02335000 1983-04-06 9440 6 10.71 USGS 02335000 1984-05-02 10000 6 11.19 USGS 02335000 1985-09-23 9260 6 10.56 USGS 02335000 1986-07-31 9380 6 10.66 USGS 02335000 1987-08-17 8820 6 10.19 USGS 02335000 1987-10-02 8210 6 9.69 USGS 02335000 1989-08-01 9010 6 10.35 USGS 02335000 1990-03-17 11000 6 11.99 USGS 02335000 1991-05-06 10400 6 11.49 USGS 02335000 1991-10-24 9790 6 11.01 USGS 02335000 1992-12-27 10200 6 11.32 USGS 02335000 1994-08-25 9340 6 10.63 USGS 02335000 1995-03-09 9460 6 10.99 USGS 02335000 1996-01-31 9750 6 10.87 USGS 02335000 1997-03-18 01:45 8910 6 10.16 USGS 02335000 1998-05-08 03:15 10200 6 11.27 USGS 02335000 1999-06-14 22:45 7560 6 9.15 USGS 02335000 2000-07-31 21:15 7720 6 9.28 USGS 02335000 2001-07-31 09:45 7460 6 9.07 USGS 02335000 2002-09-12 21:00 5960 6 7.79 USGS 02335000 2003-03-06 09:00 10500 6 11.65 USGS 02335000 2004-09-17 00:30 10700 6 11.76 USGS 02335000 2005-08-13 21:00 11400 6 12.26 USGS 02335000 2006-05-02 00:45 8120 6 9.87 USGS 02335000 2007-06-01 20:15 6130 6 8.21 USGS 02335000 2007-10-18 23:15 7580 6 9.41 USGS 02335000 2009-09-21 21:00 14900 6 14.51 USGS 02335000 2009-10-12 15:15 9730 6 11.09 USGS 02335000 2011-03-15 14:00 8690 6 10.32 USGS 02335000 2011-10-11 22:45 7410 6 9.23 USGS 02335000 2013-05-19 12:30 11600 6 12.43 USGS 02335000 2014-01-03 21:45 8400 6 10.10 USGS 02335000 2015-04-22 23:15 7390 6 9.23 USGS 02335000 2016-01-15 14:15 9960 6 10.89 USGS 02335000 2017-04-05 4900 6 6.58 USGS 02335000 2018-06-06 21:45 9560 6 10.10 USGS 02335000 2018-12-28 13:30 11100 6 11.17 USGS 02335000 2020-03-25 01:45 10600 6 10.70 USGS 02335000 2020-10-11 04:15 15300 6 13.99 USGS 02335000 2022-03-13 11:15 9250 6 9.88 USGS 02335000 2023-01-04 11:15 11500 6 11.28