# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-10-15 18:21:39 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 16848100 Almagosa 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 16848100 1972-08-02 1640 6.64 USGS 16848100 1972-10-17 880 5.44 USGS 16848100 1974-08-27 1010 5.68 USGS 16848100 1974-10-07 1020 5.70 USGS 16848100 1976-05-21 2200 7.32 USGS 16848100 1977-09-16 945 5.57 USGS 16848100 1978-09-27 2650 7.78 USGS 16848100 1979-09-15 1120 5.86 USGS 16848100 1979-10-05 2090 2 7.20 5 USGS 16848100 1981-08-09 604 4.81 USGS 16848100 1982-09-17 1210 6.01 USGS 16848100 1982-10-18 454 4.41 USGS 16848100 1984-09-24 632 4.88 USGS 16848100 1985-09-06 984 5.64 USGS 16848100 1986-07-04 1670 6.68 USGS 16848100 1986-12-27 783 5.25 USGS 16848100 1987-11-22 474 4.47 USGS 16848100 1989-08-03 810 5.30 USGS 16848100 1989-10-04 1340 6.23 USGS 16848100 1990-11-23 807 5.30 USGS 16848100 1997-12-16 1480 6.42 USGS 16848100 1999-02-15 222 3.57 USGS 16848100 1999-10-24 03:45 2630 7.76 USGS 16848100 2001-07-13 353 4.09 USGS 16848100 2002-07-05 6330 10.80 USGS 16848100 2002-12-08 2450 7.78 USGS 16848100 2004-06-27 2200 2 7.50 5 USGS 16848100 2005-08-31 1000 5.81 USGS 16848100 2005-10-19 1100 5.98 USGS 16848100 2006-10-08 10:30 1270 6.26 USGS 16848100 2007-11-19 21:50 845 5.47 USGS 16848100 2009-01-04 16:05 1240 6.19 USGS 16848100 2009-12-24 07:25 1570 6.68 USGS 16848100 2011-08-22 15:25 1410 6.45 USGS 16848100 2012-08-22 16:30 1340 6.34 USGS 16848100 2013-09-19 15:53 1900 7.12 USGS 16848100 2014-07-11 13:17 650 4.87 USGS 16848100 2014-10-30 15:08 1360 6.38 USGS 16848100 2015-10-17 10:00 761 5.18 USGS 16848100 2016-11-12 20:35 1280 6.25 USGS 16848100 2018-08-21 10:45 1970 7.20 USGS 16848100 2019-02-23 09:27 1540 6.64 USGS 16848100 2020-08-27 17:00 2790 8.09 USGS 16848100 2021-08-24 12:00 2230 2 USGS 16848100 2021-10-06 16:03 660 4.90 USGS 16848100 2023-05-24 22:23 2150 7.42