# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-18 09:44:47 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 11083500 SAN GABRIEL R NR AZUSA 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 11083500 1901-02-05 6250 7.60 USGS 11083500 1910-01-01 13900 USGS 11083500 1911-03-10 13500 USGS 11083500 1914-02-20 18100 USGS 11083500 1915-01-29 2770 2 7.80 USGS 11083500 1916-01-18 40000 12.00 USGS 11083500 1916-12-24 3900 8.00 USGS 11083500 1918-03-07 8680 9.45 6 USGS 11083500 1919-02-11 230 4.98 USGS 11083500 1920-03-02 5000 7.93 USGS 11083500 1921-03-14 4000 7.45 USGS 11083500 1921-12-19 22300 15.00 USGS 11083500 1922-12-13 3670 5.46 USGS 11083500 1924-03-26 510 3.70 USGS 11083500 1925-04-04 3000 5.10 USGS 11083500 1926-04-07 14900 9.40 USGS 11083500 1927-02-16 18200 2 10.20 USGS 11083500 1928-02-04 1810 5.08 USGS 11083500 1929-03-10 895 4.30 USGS 11083500 1930-03-15 586 3.82 USGS 11083500 1931-04-26 1450 5.56 USGS 11083500 1932-02-09 7500 7.25 USGS 11083500 1933-01-19 5820 6.90 USGS 11083500 1934-01-01 6120 6 6.92 USGS 11083500 1935-02-09 507 6 4.28 USGS 11083500 1936-04-10 455 6 4.19 USGS 11083500 1937-02-20 1950 6 5.84 USGS 11083500 1938-03-02 65700 6 USGS 11083500 1939-07-16 316 1,6 USGS 11083500 1940-06-24 506 1,6 USGS 11083500 1941-03-04 4460 6 7.27 USGS 11083500 1942-04-20 422 6 4.94 USGS 11083500 1943-01-23 12100 6 9.27 USGS 11083500 1944-02-22 5170 6 5.70 USGS 11083500 1945-02-06 988 6 2.91 USGS 11083500 1945-12-23 980 6 3.04 USGS 11083500 1946-12-31 2980 6 4.87 USGS 11083500 1948-06-02 1320 6 3.30 USGS 11083500 1948-10-27 79.0 6 1.16 USGS 11083500 1950-07-31 8.00 6 5.17 6 USGS 11083500 1951-04-27 168 6 6.20 USGS 11083500 1954-04-16 9420 6 12.32 USGS 11083500 1955-09-26 10.0 6 5.07 2 1955-08-05 5.19 USGS 11083500 1956-09-30 45.0 6 5.48 USGS 11083500 1957-04-14 656 6 7.33 USGS 11083500 1958-04-05 2780 6 9.22 USGS 11083500 1959-02-24 364 6 6.64 USGS 11083500 1960-00-00 0.00 6,Bm USGS 11083500 1961-05-06 9.00 6 5.07 USGS 11083500 1962-02-12 1650 6 8.50 USGS 11083500 1963-09-04 45.0 6 4.79 USGS 11083500 1964-08-26 50.0 6 4.87 USGS 11083500 1965-06-12 291 6 5.90 USGS 11083500 1965-11-23 8640 6 11.90