# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-21 17:05:48 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 02423500 CAHABA RIVER NEAR ACTON 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 02423500 1939-02-28 5570 19.03 USGS 02423500 1940-02-06 6010 20.03 USGS 02423500 1941-08-03 4800 17.10 USGS 02423500 1942-03-21 6200 20.45 USGS 02423500 1942-12-28 34000 43.70 USGS 02423500 1944-03-29 9000 26.43 USGS 02423500 1945-02-13 6900 22.00 2 1945-05-12 25.43 USGS 02423500 1946-02-10 13700 33.10 2 1946-02-11 33.23 USGS 02423500 1947-01-20 10800 29.30 2 1947-01-20 1200 29.40 1 USGS 02423500 1948-02-09 6180 20.30 2 1948-02-09 1200 20.40 1 USGS 02423500 1948-11-29 23000 39.80 2 1948-11-29 1200 40.00 1 USGS 02423500 1950-03-14 6100 20.20 USGS 02423500 1951-03-29 17800 36.80 2 1951-03-29 1200 37.10 1 USGS 02423500 1951-12-21 7720 24.30 2 1951-12-21 1200 24.60 1 USGS 02423500 1953-01-09 8700 26.00 USGS 02423500 1954-01-16 7300 23.60 USGS 02423500 1955-02-07 9340 26.80 USGS 02423500 1956-04-06 6590 21.20 USGS 02423500 1957-04-05 11000 29.40 USGS 02423500 1961-02-22 30000 7 42.66 USGS 02423500 1979-04-13 31000 7 42.84 USGS 02423500 1983-12-03 15000 34.62 USGS 02423500 1985-02-01 5380 18.30 USGS 02423500 1986-07-21 1820 8.05 USGS 02423500 1986-11-26 4270 16.02 USGS 02423500 1988-01-20 3230 12.82 USGS 02423500 1989-03-05 9220 25.81 USGS 02423500 1990-02-16 14000 33.11 USGS 02423500 1991-02-20 7350 22.14 USGS 02423500 1992-09-04 4400 16.00 USGS 02423500 1993-01-13 8100 24.51 USGS 02423500 1994-07-27 4400 16.06 USGS 02423500 1995-03-08 5200 18.12 USGS 02423500 1996-03-07 14500 33.35 USGS 02423500 1997-06-15 6480 20.99 USGS 02423500 1998-01-08 13300 32.42 USGS 02423500 1999-06-29 9900 28.10 USGS 02423500 2000-04-04 15200 34.40 USGS 02423500 2001-04-04 12100 30.85 USGS 02423500 2002-09-22 8630 25.63 USGS 02423500 2003-05-08 19100 37.74 USGS 02423500 2004-09-17 13400 32.62 USGS 02423500 2004-11-25 11500 30.05 USGS 02423500 2006-02-07 6990 21.58 USGS 02423500 2007-01-08 1800 8.95 USGS 02423500 2008-08-26 6340 20.29 USGS 02423500 2009-01-07 9150 26.06 USGS 02423500 2009-11-11 10100 27.72 USGS 02423500 2011-03-10 9830 27.32 USGS 02423500 2012-01-27 6190 19.98 USGS 02423500 2013-05-19 05:00 8170 25.19 USGS 02423500 2014-04-07 14500 34.98 USGS 02423500 2015-01-04 7320 23.28 USGS 02423500 2015-12-26 7550 23.86 USGS 02423500 2017-06-24 6320 20.79 USGS 02423500 2018-04-15 17:30 7420 23.53 USGS 02423500 2018-12-29 10700 29.43 USGS 02423500 2020-02-07 03:15 12000 31.35 USGS 02423500 2021-05-05 09:15 9850 30.52 USGS 02423500 2021-10-07 02:45 12100 33.06