# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-11-23 04:45:45 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 01186500 STILL RIVER AT ROBERTSVILLE, 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 01186500 1936-03-00 6000 2,7,Bd USGS 01186500 1938-09-21 7500 2,7 USGS 01186500 1948-12-31 9550 10.12 USGS 01186500 1950-03-29 1130 4.03 2 1950-03-09 5.34 1 USGS 01186500 1950-11-25 4250 7.17 USGS 01186500 1952-06-01 3030 6.17 USGS 01186500 1953-03-13 2660 5.86 USGS 01186500 1954-09-11 2610 5.79 USGS 01186500 1955-08-19 44000 3 16.48 1760 USGS 01186500 1955-10-16 9270 10.02 USGS 01186500 1957-01-23 1390 5.24 2 1957-01-23 1200 5.56 1 USGS 01186500 1958-04-07 2640 6.50 USGS 01186500 1959-03-06 2940 6.77 2 1959-01-22 7.25 1 USGS 01186500 1960-04-05 3410 7.10 USGS 01186500 1961-02-26 1690 5.60 USGS 01186500 1962-04-01 2940 6 6.76 USGS 01186500 1963-03-27 1470 6 5.34 USGS 01186500 1964-03-10 1490 6 5.20 USGS 01186500 1965-02-08 550 2,6 5.92 1 USGS 01186500 1966-03-25 928 2,6 1966-01-31 5.13 1 USGS 01186500 1967-04-03 1280 6 5.11 USGS 01186500 1968-04-25 2500 2,6 USGS 01186500 1969-04-23 6000 2,6 USGS 01186500 1970-02-03 2660 6 6.52 USGS 01186500 1971-02-14 1320 6 5.16 USGS 01186500 1972-06-30 2280 6 6.18 USGS 01186500 1973-02-02 2560 6 6.43 2 1973-02-02 1200 6.53 1 USGS 01186500 1973-12-21 6690 6 8.99 USGS 01186500 1975-09-26 4210 6 7.64 USGS 01186500 1976-01-28 2260 6 6.17 USGS 01186500 1977-03-13 3270 6 6.98 USGS 01186500 1978-01-09 4680 6 7.93 USGS 01186500 1979-03-06 4140 6 7.59 USGS 01186500 1980-03-22 6450 6 8.88 USGS 01186500 1981-02-20 5280 6 8.28 USGS 01186500 1982-06-05 4100 6 7.57 USGS 01186500 1983-04-19 3300 6 7.00 USGS 01186500 1984-05-30 4970 6 8.10 USGS 01186500 1985-09-27 4750 6 7.97 USGS 01186500 1986-06-06 2710 6 6.56 USGS 01186500 1987-04-04 6320 6 8.82 USGS 01186500 1988-03-27 1030 6 4.66 USGS 01186500 1989-05-06 2100 6 6.02 USGS 01186500 1989-10-20 4900 6 8.06 USGS 01186500 1990-10-24 3480 6 7.13 USGS 01186500 1992-06-06 2310 6 6.20 USGS 01186500 1993-03-30 1820 6 5.72 USGS 01186500 1994-04-13 1450 6 5.31 USGS 01186500 1994-12-24 2130 6 6.03 USGS 01186500 1996-01-27 4380 6 7.74 USGS 01186500 1996-10-20 2430 6 6.30 USGS 01186500 1998-03-09 1750 6 5.60 6 USGS 01186500 1999-09-16 3850 6 7.40 3 USGS 01186500 2000-06-07 2960 6 6.77 USGS 01186500 2001-04-10 1520 6 5.35 USGS 01186500 2002-06-07 1320 6 5.15 USGS 01186500 2003-09-28 2460 6 6.19 USGS 01186500 2003-10-29 2830 6 6.66 USGS 01186500 2005-04-03 3710 6 7.30 3 USGS 01186500 2005-10-15 4120 6 7.61 USGS 01186500 2007-04-16 8130 6 9.70 USGS 01186500 2008-03-08 3360 6 7.08 USGS 01186500 2008-12-12 3240 6 6.99 USGS 01186500 2010-03-14 3250 6 7.00 USGS 01186500 2011-08-28 12300 6 11.01 USGS 01186500 2011-12-08 2100 6 5.97 USGS 01186500 2013-08-09 2880 6 6.69 USGS 01186500 2014-08-13 3190 6 6.94 USGS 01186500 2014-12-09 1750 6 5.60 USGS 01186500 2016-02-25 05:15 3360 6 7.07 USGS 01186500 2017-04-06 21:45 1230 6 4.79 USGS 01186500 2017-10-30 03:30 3200 6 6.52 USGS 01186500 2018-12-21 15:00 2960 6 6.36 USGS 01186500 2019-12-14 08:52 2630 6 6.12 USGS 01186500 2021-09-02 02:45 4750 6 8.05 USGS 01186500 2021-11-12 14:45 1520 6 5.25 2 2022-02-04 0600 5.32 1 USGS 01186500 2023-07-10 09:00 5540 6 8.46