# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-23 10:42:15 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 11174000 SAN ANTONIO C NR SUNOL CA # # 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 11174000 1913-01-19 92.0 1 USGS 11174000 1913-12-31 700 1 USGS 11174000 1915-02-02 741 1 USGS 11174000 1916-01-03 1460 1 USGS 11174000 1917-02-21 410 1 USGS 11174000 1918-03-19 241 1 USGS 11174000 1919-02-10 1090 1 USGS 11174000 1920-03-22 179 1 USGS 11174000 1921-01-18 286 1 USGS 11174000 1922-02-10 966 1 USGS 11174000 1922-12-12 247 1 USGS 11174000 1924-00-00 0.00 Bm USGS 11174000 1925-02-06 126 1 USGS 11174000 1926-02-13 532 1 USGS 11174000 1927-02-18 252 1 USGS 11174000 1928-03-27 415 1 USGS 11174000 1929-02-04 53.0 1 USGS 11174000 1930-03-05 425 1 USGS 11174000 1955-12-23 5810 7 USGS 11174000 1960-02-08 736 5.06 6 USGS 11174000 1961-03-25 20.0 3.46 USGS 11174000 1962-02-15 537 5.11 USGS 11174000 1963-01-31 1970 7.16 USGS 11174000 1964-01-22 207 4.42 USGS 11174000 1965-02-10 348 6 4.80 USGS 11174000 2000-02-22 80.0 6 3.94 USGS 11174000 2001-01-16 320 6 4.72 USGS 11174000 2001-12-29 15.0 6 3.40 USGS 11174000 2003-02-03 425 6 4.95 USGS 11174000 2004-01-20 312 6 4.70 USGS 11174000 2005-02-19 37.0 6 3.65 USGS 11174000 2006-04-05 476 6 4.96 USGS 11174000 2007-02-26 4.10 6 3.13 USGS 11174000 2008-02-24 11.0 6 3.33 USGS 11174000 2008-10-02 8.90 6 3.28 USGS 11174000 2010-03-03 15.0 6 3.40 USGS 11174000 2011-03-26 232 6 4.46 USGS 11174000 2012-01-21 2.40 6 3.03 USGS 11174000 2012-12-23 40.0 6 3.68 USGS 11174000 2014-02-28 0.58 6 2.82 USGS 11174000 2014-12-11 27.0 6 3.65 USGS 11174000 2016-03-07 41.0 6 3.73 USGS 11174000 2017-02-22 239 6 5.70 USGS 11174000 2017-10-18 12:20 638 6 6.58 2 2017-10-18 1210 6.74 USGS 11174000 2019-02-13 09:15 158 6 4.36 USGS 11174000 2020-04-05 17:30 5.06 6 3.35 USGS 11174000 2021-01-28 13:00 2.94 6 3.29 USGS 11174000 2021-12-27 07:30 9.06 6 3.59 USGS 11174000 2023-01-16 07:30 900 6 6.16