# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-05-19 03:36:31 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 16847000 Imong River near Agat, Guam # # 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 16847000 1960-10-19 3370 10.06 USGS 16847000 1962-09-30 2440 8.29 USGS 16847000 1962-11-12 2080 7.48 USGS 16847000 1963-12-04 2680 8.76 USGS 16847000 1964-10-14 1330 5.73 USGS 16847000 1966-08-23 1630 6.47 USGS 16847000 1967-09-25 2170 7.68 USGS 16847000 1968-09-25 1220 5.46 USGS 16847000 1968-11-23 2450 8.30 USGS 16847000 1969-12-19 2550 8.50 USGS 16847000 1971-05-04 1930 7.15 USGS 16847000 1972-08-02 2290 7.96 USGS 16847000 1972-10-17 1270 5.57 USGS 16847000 1974-08-26 1620 6.45 USGS 16847000 1974-10-07 1600 6.39 USGS 16847000 1976-05-21 2520 8.45 USGS 16847000 1977-09-16 1360 5.80 USGS 16847000 1978-09-27 6100 11.30 USGS 16847000 1979-09-15 2030 6.57 USGS 16847000 1980-02-26 2930 7.95 USGS 16847000 1980-10-01 1270 5.14 USGS 16847000 1982-09-17 2150 6.77 USGS 16847000 1982-10-03 1200 4.99 USGS 16847000 1984-08-01 1660 5.91 USGS 16847000 1985-09-06 2680 7.61 USGS 16847000 1986-07-04 2030 6.57 USGS 16847000 1986-12-27 1450 5.49 USGS 16847000 1988-08-14 904 4.36 USGS 16847000 1989-08-03 2220 6.91 USGS 16847000 1989-10-04 2430 7.25 USGS 16847000 1991-09-16 1280 5.20 USGS 16847000 1991-11-04 2150 6.80 USGS 16847000 1992-11-18 2340 7.10 USGS 16847000 1997-12-16 1870 6.32 USGS 16847000 1999-09-17 1440 5.52 USGS 16847000 2001-07-13 1030 4.68 USGS 16847000 2002-07-05 5920 13.53 USGS 16847000 2003-07-16 03:30 2210 15.63 6 USGS 16847000 2004-06-27 23:45 3780 17.32 USGS 16847000 2006-08-06 03:15 1870 15.18 USGS 16847000 2006-10-08 11:00 3760 17.30 USGS 16847000 2007-11-19 22:00 2000 15.21 USGS 16847000 2009-01-04 16:10 3050 16.49 USGS 16847000 2009-12-02 11:28 5260 18.55 USGS 16847000 2011-08-22 15:35 4050 17.50 USGS 16847000 2012-07-13 12:00 3640 19.24 USGS 16847000 2013-09-19 16:00 3730 19.37 USGS 16847000 2014-07-30 09:00 2190 16.86 USGS 16847000 2014-10-30 15:10 3670 19.28 USGS 16847000 2016-08-23 18:10 1870 16.24 USGS 16847000 2016-11-12 20:50 2920 18.14 USGS 16847000 2018-08-21 10:45 3780 19.44 USGS 16847000 2019-08-04 03:55 869 13.86 USGS 16847000 2020-08-27 16:40 3180 18.56 USGS 16847000 2021-08-24 12:40 3180 18.55 USGS 16847000 2022-09-15 14:35 2040 16.59 USGS 16847000 2023-08-24 06:23 3760 19.37