# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-06-07 03:13:41 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 16809600 La Sa Fua River near Umatac, 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 16809600 1953-10-15 1050 5.47 USGS 16809600 1955-09-10 505 4.31 USGS 16809600 1956-08-28 650 4.72 USGS 16809600 1957-09-02 730 4.93 USGS 16809600 1958-09-21 930 5.30 USGS 16809600 1959-11-29 488 4.25 USGS 16809600 1977-09-15 670 4.75 USGS 16809600 1978-09-27 1440 6.05 USGS 16809600 1979-09-25 870 5.18 USGS 16809600 1980-02-26 1090 5.57 USGS 16809600 1981-08-09 820 5.08 USGS 16809600 1982-09-10 905 5.25 USGS 16809600 1982-10-03 650 4.70 USGS 16809600 2001-07-13 914 15.72 6 USGS 16809600 2002-07-05 2140 17.73 USGS 16809600 2002-12-08 17:15 1010 16.09 USGS 16809600 2004-06-27 1770 17.60 USGS 16809600 2005-09-30 11:35 1400 16.92 USGS 16809600 2006-07-18 20:35 872 15.75 USGS 16809600 2006-10-08 10:50 1170 16.45 USGS 16809600 2008-08-04 13:50 563 14.84 USGS 16809600 2009-08-03 22:10 993 16.05 USGS 16809600 2009-12-24 07:40 1430 16.98 USGS 16809600 2011-07-28 02:25 1200 16.51 USGS 16809600 2012-07-13 12:05 1540 16.08 USGS 16809600 2013-09-19 22:00 1400 15.84 USGS 16809600 2013-10-10 08:35 1360 15.78 USGS 16809600 2015-09-07 23:30 1610 16.19 USGS 16809600 2015-10-17 10:05 890 14.90 USGS 16809600 2017-08-26 14:40 1360 15.78 USGS 16809600 2018-08-21 10:50 1630 16.21 USGS 16809600 2019-02-23 09:10 1480 15.98 USGS 16809600 2020-08-27 16:35 1600 16.17 USGS 16809600 2020-11-23 13:05 2300 17.16 USGS 16809600 2021-10-09 23:00 944 15.00 USGS 16809600 2023-08-31 01:40 1480 15.98