# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-25 14:51:06 EST # # ---------------------------------- 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 11435100 PYRAMID C A TWIN BRIDGES 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 11435100 1971-06-26 858 6 4.62 USGS 11435100 1972-05-31 211 6 2.72 USGS 11435100 1973-05-17 262 6 2.94 USGS 11435100 1974-07-09 431 6 3.54 USGS 11435100 1975-06-06 293 6 3.11 USGS 11435100 1975-10-26 502 6 3.80 USGS 11435100 1977-06-09 106 6 2.13 USGS 11435100 1978-09-10 378 6 3.42 USGS 11435100 1979-01-11 416 6 3.50 USGS 11435100 1980-01-13 803 6 4.41 USGS 11435100 1981-04-24 179 6 2.60 USGS 11435100 1981-12-20 627 6 4.04 USGS 11435100 1982-10-26 418 6 3.47 USGS 11435100 1984-06-04 395 6 3.40 USGS 11435100 1984-11-02 267 6 2.95 USGS 11435100 1986-05-31 338 6 3.21 USGS 11435100 1987-05-11 136 6 2.33 USGS 11435100 1988-05-12 99.0 6 3.10 USGS 11435100 1989-06-04 297 6 4.03 USGS 11435100 1990-04-15 92.0 6 3.02 USGS 11435100 1991-03-04 195 6 3.63 USGS 11435100 1992-04-17 152 6 3.41 USGS 11435100 1993-05-31 354 6 4.21 USGS 11435100 1994-05-11 116 6 3.19 USGS 11435100 1995-06-26 364 6 4.07 USGS 11435100 1996-05-16 1190 6 5.73 USGS 11435100 1997-01-02 2920 6 7.22 USGS 11435100 1998-06-18 445 6 4.53 USGS 11435100 1999-05-25 237 6 3.93 USGS 11435100 2000-05-08 347 6 4.29 USGS 11435100 2001-05-08 149 6 3.41 USGS 11435100 2002-05-30 190 6 3.61 USGS 11435100 2003-05-28 300 6 3.80 USGS 11435100 2004-05-28 327 6 3.87 USGS 11435100 2005-05-16 955 6 4.85 USGS 11435100 2005-12-22 965 6 4.86 USGS 11435100 2006-11-14 1270 6 5.15 USGS 11435100 2008-05-15 315 2,6 3.84 USGS 11435100 2009-05-19 315 6 3.84 USGS 11435100 2010-06-07 657 6 4.48 USGS 11435100 2011-06-29 671 6 4.50 2 2010-10-24 6.77 1 USGS 11435100 2012-01-21 495 6 4.22 USGS 11435100 2013-06-25 468 6 4.17 USGS 11435100 2014-01-30 370 6 3.97 USGS 11435100 2015-02-08 547 6 4.31 USGS 11435100 2016-01-30 768 6 4.63 USGS 11435100 2016-10-16 1200 6 5.09 USGS 11435100 2018-04-07 714 1,2,6 5.29 USGS 11435100 2019-06-05 19:45 553 2,6 4.32 5 USGS 11435100 2020-05-18 00:15 380 2,6 3.99 USGS 11435100 2021-05-06 20:45 163 6 3.46 USGS 11435100 2021-10-24 16:15 1250 2,6 5.13 USGS 11435100 2022-12-31 01:15 2140 2,6 5.73