# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-25 22:49:41 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 01120000 HOP R NR COLUMBIA, 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 01120000 1932-11-10 1970 10.66 USGS 01120000 1934-03-06 1700 2,9 10.00 2 1934-03-05 11.90 1 USGS 01120000 1935-01-10 1500 9.40 USGS 01120000 1936-03-12 3640 13.85 USGS 01120000 1936-12-20 1720 10.00 USGS 01120000 1938-09-21 6450 16.25 1700 USGS 01120000 1939-02-16 1600 9.60 USGS 01120000 1940-01-15 2330 11.34 USGS 01120000 1941-02-08 2880 12.38 USGS 01120000 1942-03-09 1660 9.72 USGS 01120000 1942-12-31 2180 11.05 USGS 01120000 1944-06-25 2580 11.80 USGS 01120000 1945-01-02 1480 9.16 USGS 01120000 1946-06-03 815 7.12 USGS 01120000 1947-04-06 785 6.96 USGS 01120000 1948-03-17 1700 9.81 USGS 01120000 1949-01-06 960 7.69 USGS 01120000 1950-03-23 900 7.57 USGS 01120000 1951-02-08 1940 10.35 USGS 01120000 1952-03-12 1860 10.20 USGS 01120000 1953-01-25 2180 10.98 USGS 01120000 1954-09-11 2810 11.43 USGS 01120000 1955-08-19 5570 15.10 USGS 01120000 1955-10-16 4820 14.20 USGS 01120000 1957-01-23 1270 8.40 USGS 01120000 1958-01-23 1120 7.96 USGS 01120000 1959-04-03 2630 11.14 USGS 01120000 1960-01-03 1760 9.51 USGS 01120000 1961-02-26 2010 9.96 USGS 01120000 1962-04-01 1610 9.20 USGS 01120000 1963-03-27 890 7.26 USGS 01120000 1964-01-21 1640 9.25 USGS 01120000 1965-02-26 856 7.12 USGS 01120000 1966-02-14 1690 9.36 USGS 01120000 1967-05-25 1470 8.89 USGS 01120000 1968-03-18 1880 9.73 USGS 01120000 1969-03-25 2410 10.73 USGS 01120000 1970-04-03 3330 12.20 USGS 01120000 1971-02-27 961 7.49 USGS 01120000 1972-03-03 3090 11.86 USGS 01120000 1973-02-03 4600 13.90 USGS 01120000 1973-12-21 5200 2 14.60 5 USGS 01120000 1975-03-12 1540 9.36 USGS 01120000 1976-01-28 3050 12.19 USGS 01120000 1977-09-27 1360 8.90 USGS 01120000 1978-01-26 5140 14.71 USGS 01120000 1979-01-25 5450 15.14 USGS 01120000 1980-03-22 4470 14.02 USGS 01120000 1981-02-24 1900 2 USGS 01120000 1982-06-06 6940 16.72 USGS 01120000 1983-04-10 3290 12.52 USGS 01120000 1984-05-31 1620 9.52