# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-25 14:16:40 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 11180500 DRY C A UNION CITY 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 11180500 1917-02-24 87.0 1 USGS 11180500 1918-03-19 22.5 1 USGS 11180500 1919-02-10 480 7.10 USGS 11180500 1959-09-18 6.40 1.85 6 USGS 11180500 1960-02-08 151 2.96 USGS 11180500 1960-11-26 3.90 1.73 USGS 11180500 1962-02-14 345 3.50 USGS 11180500 1962-10-13 930 5.27 USGS 11180500 1964-01-20 54.0 2.44 USGS 11180500 1965-01-05 545 2 USGS 11180500 1966-01-30 29.0 2.17 USGS 11180500 1967-01-30 522 3.75 USGS 11180500 1968-01-30 79.0 2.50 USGS 11180500 1969-01-25 536 3.78 USGS 11180500 1970-01-21 710 4.14 USGS 11180500 1970-12-04 158 2.81 USGS 11180500 1972-02-05 2.60 1.65 USGS 11180500 1973-01-16 834 4.37 USGS 11180500 1974-04-01 650 4.02 USGS 11180500 1975-03-25 313 3.20 USGS 11180500 1975-10-29 3.80 1.72 USGS 11180500 1977-01-03 2.20 1.62 USGS 11180500 1978-01-14 347 3.35 USGS 11180500 1979-01-11 258 3.11 USGS 11180500 1980-01-13 494 3.69 USGS 11180500 1981-03-21 82.0 2.51 USGS 11180500 1982-02-15 637 4.00 USGS 11180500 1983-01-26 1330 5.14 USGS 11180500 1983-11-24 380 3.43 USGS 11180500 1985-02-08 109 2.63 USGS 11180500 1986-02-18 965 4.59 USGS 11180500 1987-02-13 313 3.26 USGS 11180500 1988-01-17 25.0 2.13 USGS 11180500 1989-03-25 15.0 1.99 USGS 11180500 1989-11-25 4.00 1.72 USGS 11180500 1991-03-26 86.0 2.53 USGS 11180500 1992-02-14 121 2.68 USGS 11180500 1993-01-13 537 3.79 USGS 11180500 1994-02-20 66.0 2.44 USGS 11180500 1995-01-09 1680 5.32 USGS 11180500 1996-01-27 441 3.67 USGS 11180500 1997-01-02 614 4.00 USGS 11180500 1998-02-03 1500 5.15 USGS 11180500 1999-02-07 451 3.69 USGS 11180500 2000-02-13 564 3.91 USGS 11180500 2001-02-24 37.0 2.22 USGS 11180500 2001-12-30 188 3.00 USGS 11180500 2002-12-19 221 3.11 USGS 11180500 2004-01-01 441 3.67 USGS 11180500 2005-03-23 328 3.41 USGS 11180500 2006-03-25 462 3.71 USGS 11180500 2007-02-26 249 3.19 USGS 11180500 2008-01-04 181 2.97 USGS 11180500 2009-03-03 146 2.84 USGS 11180500 2010-01-20 419 3.62 USGS 11180500 2010-12-29 494 3.73 USGS 11180500 2012-04-13 221 3.10 USGS 11180500 2012-12-02 536 3.81 USGS 11180500 2014-02-28 9.60 1.92 USGS 11180500 2014-12-12 396 3.54 USGS 11180500 2016-01-18 201 3.04 USGS 11180500 2017-02-20 405 3.55 USGS 11180500 2018-04-07 08:00 265 3.22 USGS 11180500 2019-02-13 10:15 257 3.21 USGS 11180500 2019-12-22 15:30 18.7 2.04 USGS 11180500 2021-01-28 10:30 43.8 2.29 USGS 11180500 2021-12-27 09:45 138 2.83 USGS 11180500 2022-12-31 16:15 1200 4.73