# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-02 15:06:55 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 01102000 IPSWICH RIVER NEAR IPSWICH, MA # # 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 01102000 1931-03-31 948 5 5.13 USGS 01102000 1932-04-01 792 5 4.95 USGS 01102000 1933-04-20 1540 5 6.00 USGS 01102000 1934-03-07 1580 5 6.06 USGS 01102000 1935-04-15 1240 5 5.61 USGS 01102000 1936-03-15 2610 5 7.70 USGS 01102000 1936-12-23 590 2,5 USGS 01102000 1938-07-26 1700 5 6.29 USGS 01102000 1939-04-04 1120 5 5.47 USGS 01102000 1940-04-02 1180 5 5.56 USGS 01102000 1941-03-29 489 5 4.53 USGS 01102000 1942-03-20 877 5 5.11 USGS 01102000 1943-03-21 710 5 4.90 USGS 01102000 1944-03-27 506 5 4.56 USGS 01102000 1945-03-08 1020 5 5.31 USGS 01102000 1946-03-10 1420 5 5.88 USGS 01102000 1947-05-06 688 5 4.84 USGS 01102000 1948-03-23 1810 5 6.62 USGS 01102000 1949-03-02 500 5 4.55 USGS 01102000 1950-03-26 919 5 5.17 USGS 01102000 1951-02-21 835 5 5.05 USGS 01102000 1952-03-14 1070 5 5.38 USGS 01102000 1953-04-01 1300 5 5.74 USGS 01102000 1954-05-11 1410 5 5.91 USGS 01102000 1954-12-23 682 5 4.85 USGS 01102000 1956-01-13 1530 5 6.00 USGS 01102000 1957-01-26 496 5 4.51 USGS 01102000 1958-01-29 1970 5 6.88 USGS 01102000 1959-03-08 934 5 5.19 USGS 01102000 1960-04-06 953 5 5.22 USGS 01102000 1961-04-17 1000 5 5.30 USGS 01102000 1962-03-18 1180 5 5.58 USGS 01102000 1962-10-09 2070 5 7.40 1 USGS 01102000 1964-03-10 778 5 4.95 USGS 01102000 1965-03-01 496 5 4.51 USGS 01102000 1966-03-08 496 5 4.51 USGS 01102000 1967-05-29 1030 2,5 1967-05-28 5.20 USGS 01102000 1968-03-20 2680 5 8.41 1886 USGS 01102000 1969-03-29 1910 5 7.12 USGS 01102000 1969-12-30 1480 5 6.28 USGS 01102000 1971-03-20 762 5 4.91 USGS 01102000 1972-03-24 1290 5 5.89 USGS 01102000 1973-04-05 1290 5 5.89 USGS 01102000 1974-03-24 589 5 4.66 2 1973-12-24 4.93 1 USGS 01102000 1975-02-27 727 5 4.86 USGS 01102000 1976-02-03 943 5 5.22 USGS 01102000 1977-03-15 1150 5 5.60 USGS 01102000 1978-03-30 1420 5 6.15 USGS 01102000 1979-01-27 2110 5 7.47 USGS 01102000 1980-04-13 480 5 4.49 USGS 01102000 1981-03-01 1250 5 5.82 USGS 01102000 1982-06-08 2280 5 7.78 USGS 01102000 1983-03-13 1930 5 7.15 USGS 01102000 1984-06-04 1940 5 7.17 USGS 01102000 1985-03-16 289 5 4.12 USGS 01102000 1986-03-17 1100 5 5.50 USGS 01102000 1987-04-08 3550 2,5 9.43 USGS 01102000 1988-03-30 524 2,5 4.56 USGS 01102000 1989-04-19 550 5 4.60 USGS 01102000 1990-04-06 821 5 5.00 USGS 01102000 1991-04-24 682 5 4.80 USGS 01102000 1992-01-08 505 5 4.53 USGS 01102000 1993-04-01 2510 5 8.16 USGS 01102000 1994-03-25 1520 5 6.37 USGS 01102000 1994-12-27 791 5 4.95 USGS 01102000 1996-01-30 1170 5 5.65 USGS 01102000 1996-10-23 3120 5 8.98 USGS 01102000 1998-06-17 1950 5 7.20 USGS 01102000 1999-02-06 798 5 4.96 USGS 01102000 2000-04-25 1460 5 6.24 USGS 01102000 2001-03-24 3040 5 8.88 USGS 01102000 2002-05-19 522 5 4.53 USGS 01102000 2003-04-01 1000 5 5.30 USGS 01102000 2004-04-04 2420 5 8.01 USGS 01102000 2005-05-28 1450 5 6.22 USGS 01102000 2006-05-16 4600 5 10.53 USGS 01102000 2007-04-18 1930 5 6.95 2 2007-04-19 6.96 USGS 01102000 2008-03-11 1570 5 6.26 USGS 01102000 2009-08-01 1120 5 5.54 USGS 01102000 2010-03-17 3950 5 9.96 USGS 01102000 2011-03-11 1550 5 6.43 USGS 01102000 2011-12-11 619 5 4.69 USGS 01102000 2013-03-02 785 5 4.94 USGS 01102000 2014-04-02 1450 5 5.73 USGS 01102000 2014-12-12 1830 5 6.98 USGS 01102000 2016-04-10 384 5 4.32 USGS 01102000 2017-04-08 1200 5 5.71 USGS 01102000 2018-04-19 20:30 811 5 4.97 USGS 01102000 2018-11-29 23:45 1100 5 5.50 USGS 01102000 2019-12-16 22:00 754 5 USGS 01102000 2021-07-14 00:37 1130 5 5.57 USGS 01102000 2021-11-02 14:38 1160 5 5.63 USGS 01102000 2023-03-16 23:15 1110 5 5.53