# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-20 14:07:54 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 11247000 SAN JOAQUIN R BL KERCKHOFF PH NR PRATHER 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 11247000 1911-01-31 55000 1 USGS 11247000 1912-06-04 14400 1 USGS 11247000 1913-05-23 8560 1 USGS 11247000 1914-01-25 44300 1 USGS 11247000 1937-02-06 32000 6 33.60 USGS 11247000 1937-12-11 75000 6 46.50 USGS 11247000 1943-01-21 35700 6 35.00 USGS 11247000 1944-05-09 6890 6 19.03 USGS 11247000 1945-02-02 39100 6 36.20 USGS 11247000 1945-12-22 17700 6 26.80 USGS 11247000 1946-11-23 16600 6 26.15 USGS 11247000 1948-05-27 9880 6 21.68 USGS 11247000 1949-05-27 8340 6 20.40 USGS 11247000 1950-05-31 6890 6 19.03 USGS 11247000 1950-11-19 48100 6 38.40 USGS 11247000 1952-06-05 16100 6 25.86 USGS 11247000 1953-04-27 11000 6 22.50 USGS 11247000 1954-03-09 10900 6 22.42 USGS 11247000 1955-06-08 8200 6 20.35 1 USGS 11247000 1955-12-23 92200 6 51.00 USGS 11247000 1957-05-19 24600 6 29.80 USGS 11247000 1958-06-19 14700 6 25.30 1 USGS 11247000 1959-02-17 6160 6 18.28 USGS 11247000 1960-06-22 3460 6 15.02 USGS 11247000 1961-08-21 2290 6 13.32 USGS 11247000 1962-05-06 10600 6 22.20 USGS 11247000 1963-02-01 30300 6 32.20 USGS 11247000 1964-06-26 4330 6 16.15 USGS 11247000 1964-12-23 8750 6 20.76 USGS 11247000 1965-11-24 4690 6 16.60 USGS 11247000 1966-12-06 28800 6 31.60 USGS 11247000 1968-02-23 4310 6 16.13 USGS 11247000 1969-01-26 26100 6 30.46 USGS 11247000 1970-01-17 12800 6 23.76 USGS 11247000 1971-03-27 4760 6 16.69 USGS 11247000 1972-03-16 4600 6 16.49 USGS 11247000 1973-05-18 12400 6 23.48 USGS 11247000 1974-04-02 15700 6 25.50 USGS 11247000 1975-06-02 13100 6 23.89 USGS 11247000 1976-08-12 4970 6 16.95 USGS 11247000 1977-07-28 1880 6 12.55 USGS 11247000 1978-06-10 15500 6 25.35 USGS 11247000 1979-05-22 10800 6 22.39 USGS 11247000 1980-01-14 22400 6 28.82