# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-23 07:01:46 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 02335700 BIG CREEK NEAR ALPHARETTA, 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 02335700 1961-02-21 5800 12.54 USGS 02335700 1961-12-13 4700 11.97 USGS 02335700 1963-04-30 2860 10.77 USGS 02335700 1964-03-26 4140 11.82 USGS 02335700 1965-01-23 684 7.17 USGS 02335700 1966-03-05 3240 11.26 USGS 02335700 1967-08-25 1280 9.22 USGS 02335700 1968-01-11 1580 9.73 USGS 02335700 1969-08-23 1740 9.92 USGS 02335700 1970-03-21 879 8.03 USGS 02335700 1971-03-04 820 7.89 USGS 02335700 1972-01-11 2430 10.78 USGS 02335700 1973-03-17 1740 9.82 USGS 02335700 1974-01-01 2510 10.81 USGS 02335700 1975-03-14 1940 10.14 USGS 02335700 1976-03-31 2620 10.80 USGS 02335700 1977-03-30 5080 12.20 USGS 02335700 1977-11-06 1890 10.15 USGS 02335700 1979-04-14 4220 11.65 USGS 02335700 1980-03-09 2640 10.62 USGS 02335700 1981-02-19 823 7.87 USGS 02335700 1982-02-03 6100 13.05 USGS 02335700 1983-04-09 1150 9.08 USGS 02335700 1983-12-06 4880 12.30 USGS 02335700 1985-02-02 817 7.61 USGS 02335700 1986-09-04 379 5.22 USGS 02335700 1987-03-01 2410 10.49 USGS 02335700 1988-09-13 2080 10.10 USGS 02335700 1989-06-23 652 6.72 USGS 02335700 1990-03-17 5820 12.81 USGS 02335700 1991-09-02 1010 8.30 USGS 02335700 1992-02-26 1860 9.82 USGS 02335700 1993-01-13 3970 11.71 USGS 02335700 1994-03-29 856 C 7.71 USGS 02335700 1995-02-17 2380 C 10.40 USGS 02335700 1996-01-28 3140 C 11.09 USGS 02335700 1997-03-01 01:30 2760 C 10.76 USGS 02335700 1998-03-09 05:15 3360 C 11.29 USGS 02335700 1999-02-01 16:45 754 C 6.77 USGS 02335700 2000-09-21 17:30 993 C 7.63 USGS 02335700 2001-01-20 21:00 1280 C 8.44 USGS 02335700 2002-03-31 23:30 1860 C 9.62 USGS 02335700 2003-03-07 02:30 2930 C 10.91 USGS 02335700 2004-09-17 18:15 4230 C 11.93 USGS 02335700 2005-07-16 04:00 1920 C 9.72 USGS 02335700 2006-03-22 05:00 1200 C 8.23 USGS 02335700 2006-11-17 01:00 1740 C 9.42 USGS 02335700 2008-03-05 02:15 775 C 6.92 USGS 02335700 2009-09-22 5200 C 12.50 USGS 02335700 2009-11-11 19:15 3110 C 11.08 USGS 02335700 2011-04-16 11:30 1630 C 9.23 USGS 02335700 2012-03-03 20:15 975 C 7.58 USGS 02335700 2013-05-19 20:15 2310 C 10.25 USGS 02335700 2013-12-23 16:30 2510 C 10.48 USGS 02335700 2015-01-05 06:15 2500 C 10.47 USGS 02335700 2015-12-24 21:30 2060 C 9.94 USGS 02335700 2017-04-06 1340 C 8.60 USGS 02335700 2018-04-24 13:45 1600 C 9.16 USGS 02335700 2018-12-29 02:00 2990 C 10.97 USGS 02335700 2020-02-07 09:00 3340 C 11.27 USGS 02335700 2020-10-11 21:00 3120 C 11.09 USGS 02335700 2022-02-05 03:45 1360 C 8.65 USGS 02335700 2023-01-05 07:15 2630 C 10.61