# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-27 19:52:11 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 02203950 SNAPFINGER CREEK NEAR DECATUR, 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 02203950 1961-02-25 2100 C 11.20 USGS 02203950 1963-05-27 3800 C 14.18 1946 USGS 02203950 1964-03-25 2200 C 11.40 USGS 02203950 1964-12-26 820 C 7.60 USGS 02203950 1966-02-13 2350 C 11.70 USGS 02203950 1966-11-10 960 C 8.30 USGS 02203950 1968-03-12 1880 C 10.75 USGS 02203950 1969-04-18 2300 C 11.50 USGS 02203950 1970-03-19 2560 C 12.10 USGS 02203950 1973-06-06 3800 7,C 14.20 USGS 02203950 1990-03-17 1680 7,C 10.32 USGS 02203950 2011-05-27 05:00 1230 C 10.49 USGS 02203950 2012-01-21 13:15 1920 C 12.84 USGS 02203950 2013-08-21 12:30 1860 C 12.63 USGS 02203950 2014-08-09 21:30 1510 C 11.48 USGS 02203950 2015-01-04 07:30 1420 C 11.15 USGS 02203950 2015-12-24 13:30 2710 C 15.14 USGS 02203950 2017-01-21 1860 C 12.64 USGS 02203950 2017-10-23 12:37 1010 C 9.57 USGS 02203950 2018-12-28 11:45 2110 C 13.41 USGS 02203950 2020-09-17 06:30 1660 C 11.97 USGS 02203950 2020-10-11 00:45 3270 C 16.64 USGS 02203950 2021-12-30 09:45 1710 C 12.15 USGS 02203950 2023-08-28 21:00 1690 C 12.09