# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-19 17:08:31 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 11073470 CUCAMONGA C NR UPLAND 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 11073470 1928-02-04 72.0 USGS 11073470 1929-03-10 118 1.88 USGS 11073470 1930-03-04 83.0 1.80 USGS 11073470 1931-04-26 117 1.98 USGS 11073470 1932-02-09 340 2.10 USGS 11073470 1933-01-19 110 1.55 USGS 11073470 1933-12-31 313 2.04 USGS 11073470 1934-12-14 197 2.00 6 USGS 11073470 1936-02-11 475 2.93 USGS 11073470 1937-02-06 274 4.05 USGS 11073470 1938-03-02 10300 2 USGS 11073470 1939-09-25 534 4.08 6 USGS 11073470 1940-01-08 628 4.25 USGS 11073470 1941-02-19 424 3.88 USGS 11073470 1941-12-10 54.0 2.81 USGS 11073470 1943-01-23 1400 6.36 USGS 11073470 1944-02-22 334 3.89 USGS 11073470 1944-11-11 675 4.85 USGS 11073470 1945-12-23 650 4.79 USGS 11073470 1946-11-20 500 4.40 USGS 11073470 1948-04-03 48.0 2.59 USGS 11073470 1949-01-20 19.0 2.23 USGS 11073470 1949-12-19 140 3.10 USGS 11073470 1951-04-28 17.0 2.15 USGS 11073470 1952-01-16 208 3.33 USGS 11073470 1952-12-01 47.0 2.46 USGS 11073470 1954-11-11 131 3.10 USGS 11073470 1956-01-26 474 4.32 USGS 11073470 1957-01-13 144 3.19 USGS 11073470 1958-04-03 410 4.05 USGS 11073470 1959-02-16 423 4.17 USGS 11073470 1960-04-27 38.0 2.47 USGS 11073470 1960-11-12 9.90 2.12 USGS 11073470 1961-11-20 280 3.50 USGS 11073470 1963-02-09 139 3.28 USGS 11073470 1964-04-01 49.0 2.77 USGS 11073470 1965-04-09 93.0 3.04 USGS 11073470 1965-11-22 2000 6.22 USGS 11073470 1966-12-06 1320 7.50 USGS 11073470 1967-11-19 196 5.12 USGS 11073470 1969-01-25 4500 2 14.40 USGS 11073470 1970-02-28 160 2 USGS 11073470 1970-11-29 580 5.90 6 USGS 11073470 1971-12-24 3.20 1 USGS 11073470 1973-02-11 1450 6.09 USGS 11073470 1974-01-08 90.0 USGS 11073470 1975-03-06 190 2.82