# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-22 04:18:15 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 11176500 ARROYO VALLE NR LIVERMORE 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 11176500 1913-01-19 231 1 USGS 11176500 1914-01-25 5930 1 USGS 11176500 1915-02-02 2150 1 USGS 11176500 1916-01-03 2700 1 USGS 11176500 1917-02-25 2440 1 USGS 11176500 1918-03-13 240 1 USGS 11176500 1919-02-11 2440 1 USGS 11176500 1920-03-22 249 1 USGS 11176500 1921-01-18 808 1 USGS 11176500 1922-02-10 3320 1 USGS 11176500 1922-12-13 770 1 USGS 11176500 1924-05-16 0.50 1 USGS 11176500 1926-02-13 3150 1 USGS 11176500 1927-02-16 1250 1 USGS 11176500 1928-03-27 1400 1 USGS 11176500 1929-02-04 101 1 USGS 11176500 1930-03-05 1740 1 USGS 11176500 1955-12-23 18200 7 13.93 USGS 11176500 1958-04-02 12200 10.91 USGS 11176500 1959-02-16 6680 8.15 USGS 11176500 1960-02-09 1330 5.10 USGS 11176500 1961-03-18 14.0 2.54 USGS 11176500 1962-02-15 2590 6.05 USGS 11176500 1963-02-01 8810 9.34 USGS 11176500 1964-01-21 288 3.74 USGS 11176500 1964-12-23 1980 5.62 USGS 11176500 1965-12-29 370 4.04 USGS 11176500 1967-01-22 4720 7.76 USGS 11176500 1968-01-31 252 6 3.70 USGS 11176500 1969-03-02 885 6 4.88 USGS 11176500 1970-01-21 105 6 3.17 USGS 11176500 1970-11-09 81.0 6 3.04 USGS 11176500 1972-07-11 88.0 6 3.09 USGS 11176500 1973-02-11 1030 6 5.39 USGS 11176500 1974-04-10 270 6 3.76 USGS 11176500 1975-03-25 376 6 3.97 USGS 11176500 1976-03-17 33.0 6 2.75 USGS 11176500 1977-09-04 27.0 6 2.69 USGS 11176500 1978-03-05 1080 6 5.58 USGS 11176500 1979-08-28 49.0 6 2.86 USGS 11176500 1980-02-20 2160 6 7.89 USGS 11176500 1981-07-28 78.0 6 3.25 USGS 11176500 1982-04-02 1940 6 7.55 USGS 11176500 1983-03-03 2850 6 8.89 USGS 11176500 1983-12-27 254 6 3.95 USGS 11176500 1984-12-02 11.0 6 2.62 USGS 11176500 1986-02-19 2180 6 7.93 USGS 11176500 1987-04-13 11.0 6 2.63 USGS 11176500 1988-01-09 23.0 6 2.81 USGS 11176500 1989-01-13 12.0 6 2.67 USGS 11176500 1990-02-26 11.0 6 2.64 USGS 11176500 1991-03-25 1560 6 7.39 USGS 11176500 1992-02-12 8.60 6 2.60 USGS 11176500 1993-02-20 1460 6 7.10 USGS 11176500 1993-10-02 57.0 6 3.32 USGS 11176500 1995-03-11 2020 6 8.03 USGS 11176500 1996-02-22 2050 6 7.94 USGS 11176500 1997-01-24 2230 6 8.05 USGS 11176500 1998-02-04 2980 6 9.17 USGS 11176500 1999-02-09 18.0 6 2.94 USGS 11176500 2000-02-24 309 6 5.00 USGS 11176500 2001-08-15 40.0 6 3.37 USGS 11176500 2001-12-29 528 6 5.35 USGS 11176500 2002-12-31 270 6 4.93 USGS 11176500 2004-04-13 108 6 4.10 USGS 11176500 2005-02-21 958 6 6.60 USGS 11176500 2006-04-05 1140 6 6.70 USGS 11176500 2007-08-31 25.0 6 3.09 USGS 11176500 2008-02-07 573 6 5.61 USGS 11176500 2009-05-31 28.0 6 3.20 USGS 11176500 2010-03-02 834 6 6.08 USGS 11176500 2011-03-20 1040 6 6.51 USGS 11176500 2012-03-05 34.0 6 3.24 USGS 11176500 2013-03-25 48.0 6 3.41 USGS 11176500 2013-12-15 48.0 6 3.42 USGS 11176500 2015-05-15 19.0 6 3.06 2 2015-05-18 3.07 USGS 11176500 2016-09-26 58.0 6 3.51 USGS 11176500 2017-02-22 1550 6 7.51 USGS 11176500 2018-09-22 01:15 18.5 6 3.08 USGS 11176500 2019-02-14 16:30 2000 6 8.30 USGS 11176500 2019-11-17 05:45 30.8 6 3.23 USGS 11176500 2021-02-11 17:30 19.2 6 3.10 USGS 11176500 2021-12-26 17:00 700 6 6.01 USGS 11176500 2023-01-12 18:00 3210 6 9.83