# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-24 20:13:21 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 11261500 SAN JOAQUIN R A FREMONT FORD BRIDGE 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 11261500 1937-02-18 4840 1,5 USGS 11261500 1938-03-05 6500 1,5 USGS 11261500 1939-02-13 1770 1,5 USGS 11261500 1940-03-06 4160 1,5 USGS 11261500 1941-03-08 4940 1,5 USGS 11261500 1942-06-25 4280 1,5 USGS 11261500 1943-03-20 4640 1,5 USGS 11261500 1944-03-07 2340 1,5 USGS 11261500 1945-02-12 4140 5 68.60 USGS 11261500 1945-12-29 3440 5 67.57 USGS 11261500 1947-01-02 1920 5 64.65 USGS 11261500 1948-04-13 718 5 61.51 USGS 11261500 1949-03-08 567 5 61.05 USGS 11261500 1950-02-09 1560 5 63.80 USGS 11261500 1951-01-24 3360 5 68.81 USGS 11261500 1952-03-25 4470 5 69.67 USGS 11261500 1953-01-18 1630 5 64.54 USGS 11261500 1954-02-17 2190 5 65.59 USGS 11261500 1955-01-21 1180 5 63.12 USGS 11261500 1956-01-30 4420 5 69.86 USGS 11261500 1957-03-07 1990 5 65.01 USGS 11261500 1958-04-06 5910 5 71.14 USGS 11261500 1959-04-28 760 5 62.28 USGS 11261500 1960-02-12 1160 5 59.50 USGS 11261500 1961-01-28 306 5 56.25 USGS 11261500 1962-02-18 3800 5 64.91 USGS 11261500 1963-02-16 2160 5 62.04 USGS 11261500 1964-06-13 343 5 56.33 USGS 11261500 1965-01-10 3120 5 64.62 USGS 11261500 1966-01-03 2210 5 62.01 USGS 11261500 1967-04-27 5380 5 66.73 USGS 11261500 1968-03-19 474 5 57.15 USGS 11261500 1969-02-26 9180 5 68.05 USGS 11261500 1970-01-19 3290 5 64.41 USGS 11261500 1986-03-18 18100 1,6 67.65 1 USGS 11261500 1987-03-08 1410 6 60.49 USGS 11261500 1988-04-26 557 6 57.68 USGS 11261500 1989-03-28 643 6 58.03 USGS 11261500 2002-01-05 2170 6 64.75 USGS 11261500 2002-12-22 855 6 62.43 USGS 11261500 2004-02-29 2240 6 65.61 USGS 11261500 2005-06-02 4160 6 69.02 USGS 11261500 2006-04-08 23000 6 71.60 USGS 11261500 2007-03-02 781 6 62.39 USGS 11261500 2008-01-26 1930 6 64.90 USGS 11261500 2009-03-07 602 6 61.77 USGS 11261500 2010-03-06 1660 6 65.30 USGS 11261500 2011-03-29 15100 6 70.47 USGS 11261500 2012-04-15 1110 6 63.30 USGS 11261500 2012-12-29 1280 6 63.68 USGS 11261500 2013-11-25 174 6 59.32 USGS 11261500 2014-12-16 303 6 60.48 USGS 11261500 2016-03-16 1980 6 66.57 USGS 11261500 2017-02-14 20800 6 71.52 USGS 11261500 2018-03-25 13:45 2670 6 67.09 USGS 11261500 2019-06-01 18:30 6470 6 69.12 USGS 11261500 2019-12-07 01:30 894 6 63.41 USGS 11261500 2021-01-31 17:15 1130 6 64.33 USGS 11261500 2021-12-30 05:45 646 6 62.43