# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-19 12:41:44 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 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 01209775 KEELERS BROOK AT NORWALK, 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 01209775 1951-03-30 513 2 USGS 01209775 1952-05-31 63.0 2 USGS 01209775 1953-06-22 191 2 USGS 01209775 1954-09-11 454 2 USGS 01209775 1955-08-19 1310 2 USGS 01209775 1955-10-16 366 2 USGS 01209775 1957-06-26 77.0 2 USGS 01209775 1958-06-26 267 2 USGS 01209775 1959-08-10 386 2 USGS 01209775 1960-09-12 756 2 USGS 01209775 1961-09-02 276 2 USGS 01209775 1962-08-17 408 2 USGS 01209775 1963-09-29 149 2 USGS 01209775 1964-08-12 75.0 2 USGS 01209775 1965-02-25 223 2 USGS 01209775 1966-07-10 278 2 USGS 01209775 1967-05-25 68.0 2 USGS 01209775 1968-08-09 200 2 USGS 01209775 1969-08-04 285 2 USGS 01209775 1970-04-02 161 2 USGS 01209775 1971-09-11 147 2 USGS 01209775 1971-10-10 171 2 USGS 01209775 1973-08-31 308 2 USGS 01209775 1974-09-20 329 2 USGS 01209775 1975-09-26 458 2 USGS 01209775 1976-04-01 338 2 USGS 01209775 1977-03-22 113 2 USGS 01209775 1978-01-25 131 2 USGS 01209775 1979-01-24 97.0 2 USGS 01209775 1980-04-10 265 C 4.00 USGS 01209775 1981-07-04 115 C 2.84 USGS 01209775 1982-06-05 83.0 C 2.53 USGS 01209775 1983-04-10 306 C 4.48 USGS 01209775 1984-07-07 189 C 3.51