# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-07 04:41:26 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 01158000 ASHUELOT RIVER BELOW SURRY MT DAM, NEAR KEENE, 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 01158000 1946-03-21 942 6 8.25 USGS 01158000 1947-04-29 759 6 8.00 USGS 01158000 1948-04-02 1000 6 8.70 USGS 01158000 1949-01-13 986 6 8.65 USGS 01158000 1950-03-31 1090 6 8.94 USGS 01158000 1950-12-13 1010 6 8.72 USGS 01158000 1951-11-11 840 6 8.23 USGS 01158000 1953-04-02 910 6 8.43 USGS 01158000 1953-12-09 820 6 8.17 USGS 01158000 1955-04-15 840 6 8.23 USGS 01158000 1956-05-09 994 6 8.67 USGS 01158000 1957-01-28 579 6 7.50 USGS 01158000 1958-04-17 1000 6 8.69 USGS 01158000 1959-04-07 1160 6 9.15 USGS 01158000 1959-10-28 1320 6 9.60 USGS 01158000 1961-05-03 945 6 8.10 USGS 01158000 1962-04-11 1260 6 9.17 USGS 01158000 1963-04-10 1050 6 8.51 USGS 01158000 1964-04-20 1140 6 8.77 USGS 01158000 1965-04-20 818 6 7.85 USGS 01158000 1966-03-27 825 6 7.87 USGS 01158000 1967-04-06 1000 6 8.44 USGS 01158000 1968-03-23 1120 6 9.08 USGS 01158000 1969-04-20 1160 6 9.22 USGS 01158000 1970-04-17 916 6 8.36 USGS 01158000 1971-04-15 1050 6 8.83 USGS 01158000 1972-04-19 1150 6 9.20 USGS 01158000 1973-03-20 1110 6 9.06 USGS 01158000 1974-01-04 1100 6 9.02 USGS 01158000 1975-09-29 939 6 8.44 USGS 01158000 1976-04-07 1080 6 8.96 USGS 01158000 1977-03-21 1140 6 9.17 USGS 01158000 1977-10-20 1130 6 9.11 USGS 01158000 1979-03-30 1140 6 9.17 USGS 01158000 1980-03-26 945 6 8.46 USGS 01158000 1981-03-02 892 6 8.29 USGS 01158000 1982-04-26 1000 6 8.67 USGS 01158000 1983-04-13 930 6 8.41 USGS 01158000 1984-06-07 1050 6 8.54 2 1984-06-07 1300 8.54 USGS 01158000 1985-03-14 804 6 8.00 USGS 01158000 1986-03-30 1090 6 8.59 USGS 01158000 1987-04-07 2260 6 11.41 USGS 01158000 1988-03-30 1040 6 8.51 USGS 01158000 1989-04-10 929 6 8.21 USGS 01158000 1990-03-26 1040 6 8.49 USGS 01158000 1990-11-13 691 6 7.53 USGS 01158000 1992-05-04 743 6 7.68 USGS 01158000 1993-04-03 1100 6 8.65 USGS 01158000 1994-04-18 1150 6 8.78 USGS 01158000 1995-03-20 614 6 7.31 USGS 01158000 1995-11-03 1100 6 8.66 USGS 01158000 1997-04-08 1070 6 8.57 USGS 01158000 1998-06-26 915 6 8.17 USGS 01158000 1999-03-23 929 6 8.21 USGS 01158000 2000-03-29 1080 6 8.60 USGS 01158000 2001-04-26 1170 6 8.83 USGS 01158000 2002-04-03 817 6 7.89 USGS 01158000 2003-04-02 1110 6 8.71 USGS 01158000 2003-12-19 1040 6 8.52 USGS 01158000 2005-04-06 1010 6 8.43 USGS 01158000 2005-10-16 1240 6 9.03 USGS 01158000 2007-04-25 1100 6 8.67 USGS 01158000 2008-03-10 1040 6 8.51 USGS 01158000 2009-04-02 966 6 8.32 USGS 01158000 2010-04-05 1220 6 8.99 USGS 01158000 2011-03-12 1130 6 8.74 USGS 01158000 2012-06-05 848 6 8.00 USGS 01158000 2013-02-01 1040 6 8.51 USGS 01158000 2014-01-16 11:15 929 6 8.22 USGS 01158000 2015-04-16 06:30 917 6 8.09 USGS 01158000 2016-02-27 15:30 1180 6 8.80 USGS 01158000 2017-03-02 13:07 1280 6 9.08 USGS 01158000 2018-01-25 12:30 1210 6 8.89 USGS 01158000 2018-11-08 13:45 1210 6 8.90 USGS 01158000 2019-12-11 13:00 1130 6 8.67 USGS 01158000 2020-12-28 16:00 1220 6 8.91 USGS 01158000 2021-11-01 18:15 1030 6 8.41 USGS 01158000 2023-07-13 09:15 1250 6 9.01