# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-19 20:59:44 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 11176000 ARROYO MOCHO NR LIVERMORE 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 11176000 1913-01-17 17.0 1 USGS 11176000 1914-01-25 1000 2 USGS 11176000 1915-02-02 508 1 USGS 11176000 1916-01-03 645 1 USGS 11176000 1917-02-25 351 1 USGS 11176000 1918-03-19 36.0 1 USGS 11176000 1919-02-11 238 1 USGS 11176000 1920-03-22 59.0 1 USGS 11176000 1921-01-18 106 1 USGS 11176000 1922-02-10 543 1 USGS 11176000 1922-12-12 74.0 1 USGS 11176000 1924-01-29 0.90 1 USGS 11176000 1925-02-13 36.0 1 USGS 11176000 1926-02-13 422 1 USGS 11176000 1927-02-16 154 1 USGS 11176000 1928-03-27 89.0 1 USGS 11176000 1929-02-04 18.0 1 USGS 11176000 1930-03-05 304 1 USGS 11176000 1955-12-23 1880 7 USGS 11176000 1964-01-21 33.0 2.59 6 USGS 11176000 1964-12-23 242 4.92 USGS 11176000 1965-12-29 60.0 4.10 USGS 11176000 1967-01-22 1250 5.90 USGS 11176000 1968-01-30 168 4.46 USGS 11176000 1969-01-26 900 6.36 USGS 11176000 1970-03-01 324 5.15 USGS 11176000 1970-12-02 475 5.54 USGS 11176000 1971-12-25 13.0 5.17 USGS 11176000 1973-02-27 820 7.03 USGS 11176000 1973-12-27 228 6.16 USGS 11176000 1975-03-08 725 6.93 USGS 11176000 1975-10-30 57.0 5.51 USGS 11176000 1977-01-03 44.0 5.40 USGS 11176000 1978-03-05 1680 7.66 USGS 11176000 1979-02-22 205 6.67 USGS 11176000 1980-02-19 1210 9.14 USGS 11176000 1981-01-29 146 4.52 USGS 11176000 1982-01-05 1140 7.55 USGS 11176000 1983-01-24 2250 8.80 USGS 11176000 1983-12-25 396 7.86 USGS 11176000 1985-03-28 83.0 6.12 USGS 11176000 1986-02-19 1660 10.44 USGS 11176000 1987-02-13 129 6.41 USGS 11176000 1988-01-17 47.0 5.82 USGS 11176000 1988-12-24 20.0 5.49 USGS 11176000 1990-02-16 47.0 5.82 USGS 11176000 1991-03-24 1000 9.19 USGS 11176000 1992-02-15 970 8.82 USGS 11176000 1993-01-13 440 6.98 USGS 11176000 1994-02-20 83.0 4.93 USGS 11176000 1995-03-10 2000 9.29 USGS 11176000 1996-02-19 685 6.54 USGS 11176000 1997-01-23 1690 8.24 USGS 11176000 1998-02-03 1600 10.28 USGS 11176000 1999-02-09 68.0 4.71 USGS 11176000 2000-02-23 354 5.46 USGS 11176000 2001-03-04 303 5.35