# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-03-29 01:23:57 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 New Jersey 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 01401750 Millstone River at Griggstown NJ # # 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 01401750 1938-09-22 19.00 USGS 01401750 1960-09-13 14.90 USGS 01401750 1961-03-24 12.70 USGS 01401750 1971-08-28 22.70 USGS 01401750 1996-10-19 18.00 USGS 01401750 1999-09-16 23.20 USGS 01401750 2000-08-14 8.70 USGS 01401750 2001-03-30 22:10 5.02 USGS 01401750 2002-05-19 02:00 11.39 USGS 01401750 2003-02-24 04:45 13.31 USGS 01401750 2003-12-11 23:15 15.44 USGS 01401750 2005-04-03 03:00 14.65 USGS 01401750 2005-10-12 16:15 16.49 USGS 01401750 2007-04-16 12:15 22.16 USGS 01401750 2008-02-14 05:15 13.64 USGS 01401750 2008-12-12 15:45 15.11 USGS 01401750 2010-03-14 06:45 18.65 USGS 01401750 2011-08-28 14:00 24.21 USGS 01401750 2011-12-08 14:15 14.29 USGS 01401750 2013-06-08 08:30 16.17 USGS 01401750 2014-05-01 10:30 18.56 USGS 01401750 2015-01-19 09:15 12.91 USGS 01401750 2016-02-25 08:30 14.33 USGS 01401750 2017-04-01 10:15 12.53 USGS 01401750 2018-05-28 03:00 16.36 USGS 01401750 2018-11-25 18:15 15.50 USGS 01401750 2020-04-14 05:15 11.91 USGS 01401750 2021-09-02 03:45 23.22