# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-17 23:36:11 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 01073000 OYSTER RIVER NEAR DURHAM, 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 01073000 1935-01-10 345 4.60 USGS 01073000 1936-03-19 548 7.45 USGS 01073000 1937-02-22 369 4.93 USGS 01073000 1937-12-07 422 5.60 USGS 01073000 1939-04-07 162 2.21 USGS 01073000 1940-04-13 334 3.06 2 1940-03-31 3.19 1 USGS 01073000 1941-02-08 250 3.18 1 USGS 01073000 1942-03-09 380 3.50 1 USGS 01073000 1942-12-02 355 3.17 USGS 01073000 1944-03-24 165 2.23 USGS 01073000 1945-05-16 217 2.51 USGS 01073000 1946-03-09 215 2.56 1 USGS 01073000 1947-03-15 168 2.24 USGS 01073000 1948-03-22 300 3.05 1 USGS 01073000 1949-04-19 144 2.02 USGS 01073000 1950-03-23 384 3.27 USGS 01073000 1951-02-08 261 2.71 USGS 01073000 1952-04-06 389 3.29 USGS 01073000 1953-03-16 498 3.84 USGS 01073000 1954-09-11 862 5.47 USGS 01073000 1954-12-15 374 3.29 USGS 01073000 1956-01-09 351 3.24 USGS 01073000 1957-02-27 91.0 1.63 USGS 01073000 1958-01-27 400 3.86 1 USGS 01073000 1959-04-03 260 2.71 USGS 01073000 1960-04-05 423 3.52 USGS 01073000 1961-04-17 213 2.44 USGS 01073000 1962-04-01 386 3.35 USGS 01073000 1962-12-06 450 3.64 USGS 01073000 1964-01-21 213 2.44 USGS 01073000 1965-02-25 110 4.26 1 USGS 01073000 1966-03-25 106 2.72 USGS 01073000 1967-04-03 309 3.97 USGS 01073000 1968-03-19 440 4.74 1 USGS 01073000 1969-03-26 240 3.84 1 USGS 01073000 1970-02-11 280 4.72 1 USGS 01073000 1971-04-03 140 2.98 USGS 01073000 1972-03-23 233 3.56 USGS 01073000 1973-04-02 610 5.28 USGS 01073000 1973-12-17 169 3.17 2 1973-12-17 1200 3.23 1 USGS 01073000 1975-04-04 299 3.92 USGS 01073000 1975-12-10 179 3.24 USGS 01073000 1977-03-14 567 5.12 USGS 01073000 1977-10-17 278 3.81 USGS 01073000 1979-03-07 348 4.17 USGS 01073000 1980-04-10 210 3.44 USGS 01073000 1981-02-27 615 5.30 USGS 01073000 1982-06-07 287 3.86 USGS 01073000 1983-03-19 709 5.64 USGS 01073000 1984-04-06 410 4.70 USGS 01073000 1985-03-12 190 3.40 USGS 01073000 1986-01-27 311 4.15 USGS 01073000 1987-04-06 600 5.61 2 1987-04-06 1300 5.61 USGS 01073000 1988-04-29 240 3.72 2 1988-04-29 1300 3.72 USGS 01073000 1988-11-02 356 4.41 USGS 01073000 1990-04-04 211 3.54 USGS 01073000 1991-08-19 458 4.95 USGS 01073000 1992-06-06 139 3.04 USGS 01073000 1993-03-30 418 4.74 USGS 01073000 1994-03-22 348 4.24 USGS 01073000 1994-12-24 263 3.76 USGS 01073000 1996-04-16 418 4.74 USGS 01073000 1996-10-21 1160 6.67 USGS 01073000 1998-06-14 595 5.26 USGS 01073000 1999-09-17 187 3.26 USGS 01073000 2000-04-22 254 3.79 USGS 01073000 2001-03-22 452 4.78 USGS 01073000 2002-05-14 140 2.91 USGS 01073000 2003-03-22 169 3.16 USGS 01073000 2004-04-02 521 4.91 USGS 01073000 2005-04-03 13:00 311 3.73 USGS 01073000 2006-05-14 18:30 873 8.47 USGS 01073000 2007-04-16 17:45 1320 10.20 USGS 01073000 2008-08-08 13:00 371 5.77 USGS 01073000 2008-12-12 18:15 260 4.89 USGS 01073000 2010-02-26 02:30 864 8.43 USGS 01073000 2011-03-07 18:30 282 5.08 USGS 01073000 2011-12-08 08:45 179 4.09 USGS 01073000 2013-09-13 20:00 193 4.24 USGS 01073000 2014-03-30 20:30 271 2 5.31 1 USGS 01073000 2015-04-21 08:45 203 4.34 USGS 01073000 2016-01-10 22:00 190 4.21 USGS 01073000 2017-04-07 225 4.56 USGS 01073000 2018-04-16 23:15 280 5.06 USGS 01073000 2018-11-27 12:45 235 4.80 USGS 01073000 2019-12-14 13:15 333 5.52 USGS 01073000 2021-09-02 09:30 160 3.82 USGS 01073000 2021-10-31 09:15 286 5.11