# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-21 17:22:05 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 02423425 CAHABA RIVER NEAR CAHABA HEIGHTS AL # # 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 02423425 1976-03-16 12400 6 20.70 USGS 02423425 1977-04-05 14400 6 21.67 USGS 02423425 1977-10-09 5840 6 15.39 USGS 02423425 1979-04-13 23400 6 28.86 USGS 02423425 1980-03-27 8590 6 17.89 USGS 02423425 1981-03-30 5320 6 14.24 USGS 02423425 1982-06-04 5010 6 13.54 USGS 02423425 1982-12-01 12500 6 21.50 USGS 02423425 1983-12-03 11200 6 20.33 USGS 02423425 1985-02-01 3930 6 10.68 USGS 02423425 1997-06-15 6620 6 15.86 USGS 02423425 1998-01-08 13200 6 22.02 USGS 02423425 1999-06-29 15800 6 24.00 USGS 02423425 2000-04-04 13500 6 22.28 USGS 02423425 2001-04-04 13000 6 21.88 USGS 02423425 2002-09-22 6060 6 15.11 USGS 02423425 2003-05-08 21700 6 27.91 USGS 02423425 2004-09-17 15800 6 23.95 USGS 02423425 2004-11-24 14800 6 23.24 USGS 02423425 2006-02-07 7050 6 16.32 USGS 02423425 2007-01-08 1060 6 3.27 USGS 02423425 2008-08-26 4720 6 12.81 USGS 02423425 2009-09-18 10300 6 19.53 USGS 02423425 2009-11-11 9360 6 18.68 USGS 02423425 2011-03-09 8970 6 18.31 USGS 02423425 2012-01-27 4640 6 12.62 USGS 02423425 2013-05-18 9990 6 19.28 USGS 02423425 2014-04-07 15300 6 23.58 USGS 02423425 2015-01-04 6190 6 15.28 USGS 02423425 2015-12-26 7750 6 17.07 USGS 02423425 2017-04-03 4570 6 12.45 USGS 02423425 2018-04-15 13:45 6150 6 15.23 USGS 02423425 2018-12-28 18:45 10400 6 19.65 USGS 02423425 2020-02-06 21:30 13600 6 22.08 USGS 02423425 2021-05-05 04:00 10200 6 19.93 USGS 02423425 2021-10-07 02:30 7550 6 17.26 USGS 02423425 2023-01-04 15:00 4270 6 11.75