# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-27 06:04:10 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 01082000 CONTOOCOOK RIVER AT PETERBOROUGH, NH # # 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 01082000 1938-09-00 15.00 Bd USGS 01082000 1946-03-09 1090 5 4.45 USGS 01082000 1947-04-07 750 5 3.72 USGS 01082000 1948-03-22 1700 5 5.22 USGS 01082000 1949-01-06 1080 5 4.30 USGS 01082000 1950-04-05 740 5 3.70 USGS 01082000 1950-11-26 2640 5 6.35 USGS 01082000 1952-04-05 1180 5 4.46 USGS 01082000 1953-03-16 1540 5 5.00 USGS 01082000 1954-09-11 1780 5 5.32 USGS 01082000 1954-11-03 1290 5 4.64 USGS 01082000 1956-01-10 2050 5 5.66 USGS 01082000 1957-01-24 600 5 1957-01-23 5.25 1 USGS 01082000 1958-04-18 1240 5 4.56 USGS 01082000 1959-04-03 1450 5 4.87 2 1959-01-22 5.55 1 USGS 01082000 1960-09-12 2260 5 5.93 USGS 01082000 1961-04-23 715 5 3.65 2 1961-02-26 3.91 1 USGS 01082000 1962-04-08 1210 5 4.51 USGS 01082000 1962-12-06 1160 5 4.43 USGS 01082000 1964-04-15 780 5 3.78 2 1964-01-21 4.16 1 USGS 01082000 1965-04-16 459 5 3.11 USGS 01082000 1966-03-25 740 5 3.70 USGS 01082000 1967-04-03 972 5 4.12 USGS 01082000 1968-03-19 1550 5 5.01 USGS 01082000 1969-04-10 1320 5 4.68 USGS 01082000 1969-11-08 1330 5 4.70 USGS 01082000 1971-04-13 830 5 3.88 USGS 01082000 1972-04-20 1160 5 4.44 USGS 01082000 1973-03-17 1310 5 4.67 USGS 01082000 1973-12-21 2170 5 5.81 USGS 01082000 1975-09-27 1360 5 4.74 USGS 01082000 1976-04-01 1010 5 4.20 2 1976-01-29 6.82 1 USGS 01082000 1977-03-14 1750 5 5.30 USGS 01082000 1980-04-10 1650 5,7 5.16 USGS 01082000 1982-04-05 765 5 3.76 USGS 01082000 1983-03-21 1340 5 4.72 USGS 01082000 1984-05-31 2200 5 5.85 USGS 01082000 1985-03-15 1110 5 4.40 USGS 01082000 1986-03-20 1340 5 4.72 USGS 01082000 1987-04-06 2860 5 6.62 USGS 01082000 1988-04-01 1030 5 4.22 USGS 01082000 1989-04-06 857 5 3.93 USGS 01082000 1989-10-21 1230 5 4.55 USGS 01082000 1991-08-19 2210 5 5.86 USGS 01082000 1991-11-26 1020 5 4.21 USGS 01082000 1993-04-17 1070 5 4.35 USGS 01082000 1994-04-07 989 5 4.22 USGS 01082000 1994-12-24 1540 5 5.01 USGS 01082000 1996-04-16 2190 5 5.85 USGS 01082000 1996-10-21 2170 5 5.83 USGS 01082000 1998-06-16 1610 5 5.11 USGS 01082000 1999-09-17 1410 5 4.84 USGS 01082000 2000-04-23 804 5 3.89 USGS 01082000 2001-04-14 1340 5 4.62 USGS 01082000 2002-05-14 14:30 728 5 3.63 USGS 01082000 2003-03-30 1350 5 4.64 USGS 01082000 2004-04-02 3210 5 6.13 USGS 01082000 2005-04-03 08:30 2600 5 5.67 2 2005-01-27 1215 6.16 1 USGS 01082000 2005-10-15 16:45 2670 5 5.73 USGS 01082000 2007-04-16 13:00 4110 5 7.21 USGS 01082000 2008-04-02 07:30 1050 5 4.13 USGS 01082000 2009-07-25 05:30 1180 5 4.31 2 2009-01-19 0930 4.87 1 USGS 01082000 2010-03-15 06:45 2710 5 6.03 USGS 01082000 2011-03-07 13:00 1720 5 4.98 2 2011-03-07 1100 6.92 1 USGS 01082000 2011-12-08 07:15 1480 5 4.68 USGS 01082000 2012-10-31 1360 5 4.54 USGS 01082000 2014-03-31 1200 2,5 2014-01-29 5.34 1 USGS 01082000 2014-10-23 14:15 1480 5 4.68 USGS 01082000 2016-02-25 09:15 1240 5 4.38 USGS 01082000 2017-02-26 01:45 1080 5 4.17 USGS 01082000 2017-10-30 06:30 2790 5 6.10 USGS 01082000 2019-01-24 20:45 1780 5 5.05 USGS 01082000 2019-12-14 15:00 1280 5 4.44 USGS 01082000 2021-07-18 02:00 2890 5 6.20 USGS 01082000 2022-02-23 17:00 955 5 3.99 2 2022-02-04 1100 4.10 1