# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-03-28 13:48:32 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 01130000 UPPER AMMONOOSUC RIVER NEAR GROVETON, 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 01130000 1936-03-00 10.60 Bd USGS 01130000 1941-04-16 5040 5 7.38 USGS 01130000 1942-04-26 5220 5 7.46 USGS 01130000 1943-05-13 4740 5 7.27 USGS 01130000 1944-05-05 6350 5 7.98 USGS 01130000 1945-03-30 6830 5 8.18 USGS 01130000 1946-03-30 2740 5 6.10 2 1946-03-15 7.10 1 USGS 01130000 1947-06-03 7580 5 8.49 USGS 01130000 1948-03-28 3690 5 6.68 2 1948-03-22 7.15 1 USGS 01130000 1949-03-29 3550 5 6.60 2 1948-12-31 7.21 1 USGS 01130000 1950-04-21 4750 5 7.24 2 1950-04-05 8.05 1 USGS 01130000 1950-11-27 5460 5 7.58 USGS 01130000 1952-04-21 4910 5 7.32 USGS 01130000 1953-03-27 9950 5 9.44 USGS 01130000 1954-04-23 8880 5 9.01 USGS 01130000 1955-04-15 6240 5 7.93 USGS 01130000 1956-04-30 3800 5 6.77 USGS 01130000 1957-04-22 3070 5 6.34 2 1957-01-24 8.23 1 USGS 01130000 1958-04-22 6540 5 8.06 USGS 01130000 1959-04-19 2560 5 5.96 2 1959-04-04 6.55 1 USGS 01130000 1960-04-18 6400 5 8.00 2 1960-03-31 10.14 1 USGS 01130000 1961-05-10 3500 5 6.53 USGS 01130000 1962-04-30 4760 5 7.25 USGS 01130000 1963-04-22 4540 5 7.14 USGS 01130000 1963-11-09 4930 5 7.33 USGS 01130000 1964-11-27 1970 5 5.46 2 1965-01-04 5.89 1 USGS 01130000 1966-04-23 2870 5 6.11 USGS 01130000 1967-05-20 3500 5 6.53 USGS 01130000 1968-03-24 3200 5 6.33 USGS 01130000 1969-05-20 24100 3,5 12.01 USGS 01130000 1970-04-25 6580 5 7.09 2 1970-04-28 7.33 USGS 01130000 1971-05-05 4320 5 6.56 USGS 01130000 1972-05-04 7400 2,5 7.50 USGS 01130000 1973-07-01 4860 5 6.83 USGS 01130000 1974-04-24 5460 5 7.11 USGS 01130000 1975-04-20 3320 5 6.00 USGS 01130000 1976-04-02 4360 5 6.72 2 USGS 01130000 1977-04-14 4430 5 6.75 USGS 01130000 1978-05-10 6510 5 7.56 2 1978-01-27 8.22 1 USGS 01130000 1979-04-28 4820 5 6.25 2 1979-03-06 10.71 1 USGS 01130000 1980-04-11 2140 5 5.04 USGS 01130000 1983-05-04 4980 5 6.69 USGS 01130000 1984-05-31 7480 5 7.70 USGS 01130000 1985-04-17 2380 5 5.19 USGS 01130000 1986-03-31 4920 5 7.06 2 1986-01-27 7.12 1 USGS 01130000 1987-04-01 5250 5 7.29 USGS 01130000 1988-04-30 4150 5 6.49 USGS 01130000 1989-05-03 5690 5 7.19 USGS 01130000 1990-03-18 7950 5 8.47 USGS 01130000 1991-04-09 6160 5 7.66 USGS 01130000 1992-04-22 5500 5 7.32 USGS 01130000 1993-04-18 4310 5 6.76 USGS 01130000 1994-04-16 5890 5 7.60 USGS 01130000 1995-01-16 3540 5 6.50 1 USGS 01130000 1996-04-24 8280 5 8.64 USGS 01130000 1996-12-02 3530 5 6.02 2 1997-02-23 7.17 1 USGS 01130000 1998-03-31 9130 5 8.97 USGS 01130000 1999-09-18 5280 5 7.11 2 1999-01-24 9.63 1 USGS 01130000 2000-04-05 4950 5 6.93 USGS 01130000 2001-04-25 7730 5 8.31 USGS 01130000 2002-04-14 9960 5 8.91 USGS 01130000 2003-03-30 4360 5 6.36 USGS 01130000 2003-10-28 3620 5 5.93 USGS 01130000 2010-04-04 19:00 4280 5 6.19 2 2010-01-26 1415 6.70 1 USGS 01130000 2011-04-28 23:30 6940 5 7.52 USGS 01130000 2012-03-20 19:30 3600 5 5.66 USGS 01130000 2013-04-20 5940 2,5 2013-01-31 9.90 1 USGS 01130000 2014-04-15 23:15 8960 5 8.78 2 2014-01-12 9.60 USGS 01130000 2015-04-15 3410 5 5.93 USGS 01130000 2016-03-11 21:15 2990 5 5.63 2 2016-02-25 5.73 1 USGS 01130000 2017-04-17 13:30 5790 5 7.33 USGS 01130000 2018-04-30 17:00 4300 5 6.50 2 2018-01-13 0700 10.51 1 USGS 01130000 2019-04-21 07:45 8620 5 8.64 USGS 01130000 2020-04-14 20:00 3790 5 6.01 USGS 01130000 2021-03-27 17:00 3630 5 6.09 USGS 01130000 2022-02-24 03:45 2110 2,5 6.81 2 2022-02-24 0800 6.91 1 USGS 01130000 2023-07-12 01:15 4360 5 6.54 2 2022-12-25 0345 7.02 1