# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-18 02:08:19 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 01171500 MILL RIVER AT NORTHAMPTON, 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 01171500 1938-12-06 1920 4.88 USGS 01171500 1940-04-09 2000 6.14 USGS 01171500 1941-02-08 1800 2 8.47 1 USGS 01171500 1942-03-22 2180 6.43 USGS 01171500 1942-11-25 2020 5.94 USGS 01171500 1943-11-09 2110 6.31 USGS 01171500 1945-04-26 2560 7.06 2 1945-01-02 7.75 1 USGS 01171500 1946-05-28 1700 5.57 USGS 01171500 1947-04-05 1200 4.92 USGS 01171500 1948-03-22 2240 6.53 USGS 01171500 1948-12-31 2640 7.20 USGS 01171500 1950-03-29 825 4.29 2 1950-03-09 5.50 1 USGS 01171500 1951-03-31 3840 9.38 USGS 01171500 1952-04-05 2850 7.58 USGS 01171500 1953-03-13 2730 7.36 USGS 01171500 1954-09-11 2320 6.66 USGS 01171500 1955-08-19 6300 11.78 USGS 01171500 1955-10-15 5010 9.81 USGS 01171500 1957-02-27 660 3.81 2 1957-01-23 4.64 1 USGS 01171500 1958-04-06 2340 6.15 USGS 01171500 1959-04-03 1930 5.64 2 1959-01-22 7.18 1 USGS 01171500 1960-09-12 3690 9.10 USGS 01171500 1961-04-16 1910 5.98 USGS 01171500 1962-04-01 1720 5.66 USGS 01171500 1962-12-06 1170 4.81 USGS 01171500 1964-03-10 863 4.26 2 1964-01-25 6.72 1 USGS 01171500 1965-04-16 354 3.17 2 1965-02-08 4.21 1 USGS 01171500 1966-07-19 808 4.16 USGS 01171500 1967-04-03 1030 4.57 USGS 01171500 1968-04-25 2110 6.31 USGS 01171500 1969-04-23 2120 6.34 USGS 01171500 1969-12-11 2080 6.27 USGS 01171500 1971-08-28 1360 5.11 USGS 01171500 1972-06-30 1810 5.82 USGS 01171500 1973-02-02 3240 8.29 USGS 01171500 1973-12-21 3580 8.90 USGS 01171500 1975-09-27 2290 6.61 USGS 01171500 1976-04-01 1980 6.09 USGS 01171500 1977-03-13 2460 6.91 USGS 01171500 1978-01-09 3800 2 USGS 01171500 1979-05-25 2240 6.53 2 1979-01-25 7.78 1 USGS 01171500 1980-04-10 3070 7.97 USGS 01171500 1981-02-20 3500 2 USGS 01171500 1982-06-06 4790 10.98 USGS 01171500 1983-04-19 3010 7.87 USGS 01171500 1984-04-05 4450 10.42 USGS 01171500 1985-09-27 1830 9 5.86 USGS 01171500 1986-03-19 2400 2 USGS 01171500 1987-03-31 2650 7.22 USGS 01171500 1988-04-28 977 4.44 USGS 01171500 1989-05-06 1910 5.99 USGS 01171500 1989-10-20 3530 8.81 USGS 01171500 1990-10-24 1870 5.92 USGS 01171500 1992-03-11 1680 5.61 USGS 01171500 1993-03-29 2000 6.14 USGS 01171500 1993-12-21 1560 5.41 USGS 01171500 1994-12-25 1590 5.47 USGS 01171500 1996-01-27 3240 8.29 USGS 01171500 1996-11-09 2470 6.91 USGS 01171500 1998-03-09 1830 5.86 USGS 01171500 1999-09-17 5050 11.42 USGS 01171500 2000-07-16 2050 6.40 USGS 01171500 2000-12-17 2280 6.70 USGS 01171500 2002-05-13 1060 4.55 USGS 01171500 2003-09-28 2910 12.11 USGS 01171500 2004-04-02 4130 13.42 USGS 01171500 2005-04-03 3520 12.73 USGS 01171500 2005-10-09 4370 13.72 USGS 01171500 2007-04-16 6150 15.58 USGS 01171500 2008-03-08 2800 11.81 USGS 01171500 2008-12-12 2610 11.56 USGS 01171500 2010-01-25 3000 12.08 USGS 01171500 2011-08-28 7020 16.42 USGS 01171500 2011-12-08 2400 11.27 USGS 01171500 2012-12-21 2340 11.18 USGS 01171500 2014-08-13 2340 11.19 USGS 01171500 2015-09-30 3190 12.32 USGS 01171500 2016-02-25 4150 13.48 USGS 01171500 2017-05-14 1450 9.84 USGS 01171500 2017-10-30 03:30 3570 12.80 2 2018-01-27 0130 17.90 1 USGS 01171500 2018-12-21 15:00 2670 11.64 USGS 01171500 2020-05-01 21:00 1260 9.50 USGS 01171500 2020-12-25 09:10 4250 13.59 USGS 01171500 2021-10-05 01:30 1420 9.78 USGS 01171500 2023-07-10 13:15 5700 15.13