# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-14 23:19:00 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 USGS 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 01193300 BLACKLEDGE R NR GILEAD, CT. # # 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 01193300 1960-09-12 130 3.15 USGS 01193300 1961-02-26 175 3.56 USGS 01193300 1962-04-01 150 3.30 USGS 01193300 1963-03-06 92.0 2.70 USGS 01193300 1964-01-21 145 3.24 USGS 01193300 1965-02-25 73.0 2.43 USGS 01193300 1966-02-14 165 3.45 USGS 01193300 1967-05-26 120 3.04 USGS 01193300 1968-03-18 185 3.64 USGS 01193300 1969-03-25 245 4.10 USGS 01193300 1970-02-03 290 4.40 USGS 01193300 1971-02-14 100 2.81 USGS 01193300 1972-03-03 225 3.98 USGS 01193300 1973-02-02 285 4.48 USGS 01193300 1973-12-21 325 4.74 USGS 01193300 1975-09-26 220 3.92 USGS 01193300 1976-01-28 140 3.26 USGS 01193300 1977-03-22 220 3.99 USGS 01193300 1978-01-26 300 4.59 USGS 01193300 1979-01-25 410 5.29 USGS 01193300 1980-03-22 210 3.84 USGS 01193300 1981-02-24 178 3.59 USGS 01193300 1982-06-05 480 5.66 USGS 01193300 1983-04-19 315 4.54 USGS 01193300 1984-05-30 330 4.67