# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-19 17:07:06 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 California 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 11086400 SAN DIMAS C NR SAN DIMAS 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 11086400 1916-12-24 1300 6 4.90 USGS 11086400 1918-03-07 394 6 5.09 USGS 11086400 1919-02-11 37.0 6 3.80 USGS 11086400 1920-03-02 1010 6 6.50 USGS 11086400 1921-03-14 800 6 7.70 USGS 11086400 1922-02-09 1140 2,6 5.95 USGS 11086400 1922-12-12 49.0 6 6.54 USGS 11086400 1924-07-12 10.0 6 5.20 USGS 11086400 1925-01-26 6.20 6 4.83 USGS 11086400 1926-04-05 65.0 6 6.82 USGS 11086400 1927-02-17 475 6 8.00 USGS 11086400 1928-04-13 54.0 6 1.80 USGS 11086400 1929-02-02 7.00 6 1.00 USGS 11086400 1930-03-05 28.0 6 1.64 USGS 11086400 1931-04-26 3.70 6 0.65 USGS 11086400 1932-02-09 96.0 6 2.14 USGS 11086400 1933-01-23 16.0 6 1.51 USGS 11086400 1934-01-01 210 6 2.37 USGS 11086400 1935-03-28 300 6 2.50 USGS 11086400 1936-04-10 152 6 2.22 USGS 11086400 1937-02-07 127 6 2.22 USGS 11086400 1938-03-02 5000 2,6 USGS 11086400 1938-12-28 28.0 1,6 USGS 11086400 1940-02-04 36.0 6 1.34 USGS 11086400 1941-03-03 163 6 2.28 USGS 11086400 1941-12-12 24.0 6 1.20 USGS 11086400 1943-01-23 1970 6 4.38 USGS 11086400 1944-02-22 749 6 3.39 USGS 11086400 1945-02-02 95.0 6 2.08 USGS 11086400 1945-12-23 250 2,6 USGS 11086400 1946-12-26 67.0 6 1.86 USGS 11086400 1948-07-27 55.0 6 0.52 USGS 11086400 1949-01-25 6.50 6 0.56 USGS 11086400 1950-05-17 7.10 6 0.53 USGS 11086400 1951-04-12 5.00 6 0.35 USGS 11086400 1952-03-16 292 6 2.66 USGS 11086400 1953-07-06 7.30 6 0.68 USGS 11086400 1954-01-25 161 6 3.37 USGS 11086400 1954-11-16 15.0 6 2.01 USGS 11086400 1956-01-26 90.0 6 3.05