# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-20 07:50:37 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 09386030 LITTLE COLORADO RVR ABV ZION RES. NR ST. JOHNS, AZ # # 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 09386030 1976-08-04 92.0 6 2.50 USGS 09386030 1977-08-14 68.0 6 2.26 USGS 09386030 1977-10-07 100 6 2.47 USGS 09386030 1979-04-28 291 6 3.14 USGS 09386030 1980-09-10 248 6 3.06 USGS 09386030 1981-09-17 64.9 6 2.25 USGS 09386030 1982-08-17 453 6 3.46 USGS 09386030 1983-08-04 582 6 3.66 USGS 09386030 1984-08-26 167 6 2.66 USGS 09386030 1985-04-09 173 6 2.79 USGS 09386030 1986-08-12 191 6 2.87 USGS 09386030 1987-04-21 264 6 3.14 USGS 09386030 1988-08-30 165 6 2.74 USGS 09386030 1989-08-20 106 6 2.40 USGS 09386030 1990-08-15 222 6 3.03 USGS 09386030 1991-07-09 62.0 6 2.11 USGS 09386030 1992-09-19 496 6 3.97 USGS 09386030 1993-04-27 97.0 6 2.29 USGS 09386030 1994-07-31 590 6 4.16 USGS 09386030 1995-04-18 30.0 6 1.85 USGS 09386030 1996-09-14 72.0 6 2.18 USGS 09386030 1997-08-11 133 6 2.56 USGS 09386030 1998-07-08 37.0 6 1.92 USGS 09386030 1999-07-10 42.0 6 1.96 USGS 09386030 2000-06-20 05:30 59.0 6 2.09 USGS 09386030 2001-08-10 22:45 152 6 2.67 USGS 09386030 2002-09-11 489 6 3.94 USGS 09386030 2003-08-15 19:30 20.0 6 1.64 USGS 09386030 2004-07-15 06:45 12.0 6 1.53 USGS 09386030 2005-08-18 04:30 28.0 6 1.74 USGS 09386030 2006-08-09 10:00 33.0 6 1.79 USGS 09386030 2007-08-05 01:00 256 6 3.17 USGS 09386030 2008-07-24 61.0 6 2.02 USGS 09386030 2008-10-01 0.00 6 USGS 09386030 2010-07-21 14:45 38.0 6 1.86 USGS 09386030 2011-09-14 49.0 6 1.95 USGS 09386030 2012-08-24 171 6 2.76 USGS 09386030 2013-09-10 289 6 3.30 USGS 09386030 2014-08-13 10:45 178 6 2.80 USGS 09386030 2015-07-17 186 6 2.85 2 2015-07-16 2100 2.87 USGS 09386030 2016-09-30 15:15 7.50 6 1.46 USGS 09386030 2017-07-29 09:53 237 6 3.09 USGS 09386030 2018-08-10 12:52 254 6 3.16 USGS 09386030 2018-11-01 05:00 9.39 6 1.47