# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-24 13:48:53 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 02423380 CAHABA RIVER NEAR MOUNTAIN BROOK 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 02423380 1979-04-13 19000 7 20.60 USGS 02423380 1981-03-30 6750 10.84 USGS 02423380 1985-02-01 5340 9.18 USGS 02423380 1986-07-21 1420 3.75 USGS 02423380 1987-01-19 4110 8.80 USGS 02423380 1988-01-20 3140 7.29 USGS 02423380 1989-03-05 6410 12.10 USGS 02423380 1990-03-16 6880 11.99 USGS 02423380 1991-02-20 5240 9.84 USGS 02423380 1992-09-04 3370 7.15 USGS 02423380 1993-01-13 4320 8.55 USGS 02423380 1994-07-27 5190 9.87 USGS 02423380 1995-03-08 4310 8.75 USGS 02423380 1996-01-27 10500 15.60 USGS 02423380 1997-06-14 8050 13.15 USGS 02423380 1998-01-08 12500 16.19 USGS 02423380 1999-06-28 11000 15.11 USGS 02423380 2000-04-04 10300 14.58 USGS 02423380 2001-04-04 13200 16.70 USGS 02423380 2002-09-22 6780 11.65 USGS 02423380 2003-05-08 23500 25.08 USGS 02423380 2004-09-16 12700 16.94 USGS 02423380 2004-11-23 8760 13.40 USGS 02423380 2006-02-06 2980 6.29 USGS 02423380 2007-01-08 1250 3.90 USGS 02423380 2008-08-26 5420 9.52 USGS 02423380 2009-09-18 11200 15.42 USGS 02423380 2009-11-11 8010 12.33 USGS 02423380 2011-03-09 8540 12.86 USGS 02423380 2012-01-27 5740 9.89 USGS 02423380 2013-05-18 19:00 12100 16.15 USGS 02423380 2014-04-07 13300 16.25 USGS 02423380 2015-01-04 7980 10.52 USGS 02423380 2015-12-26 10900 13.38 USGS 02423380 2017-04-03 7220 9.79 USGS 02423380 2018-04-15 09:15 8070 10.61 USGS 02423380 2018-12-28 15:45 10800 13.24 USGS 02423380 2020-02-06 17:00 14100 17.25 USGS 02423380 2021-05-04 22:00 10200 14.33 USGS 02423380 2022-06-08 11:15 6500 10.42