# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-12-04 04:06:21 EST # # ---------------------------------- 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 08068275 Spring Ck nr Tomball, TX # # 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 08068275 2000-05-21 2400 145.38 USGS 08068275 2001-06-09 13300 151.65 USGS 08068275 2002-08-16 3530 146.07 USGS 08068275 2002-11-05 9140 151.80 6 USGS 08068275 2004-05-14 4870 149.37 USGS 08068275 2005-02-08 4700 149.25 USGS 08068275 2006-07-27 492 143.63 USGS 08068275 2006-10-17 7320 150.90 USGS 08068275 2008-09-14 6010 150.14 USGS 08068275 2009-04-28 4060 149.10 USGS 08068275 2009-10-30 3410 148.60 USGS 08068275 2011-03-15 88.0 140.82 USGS 08068275 2012-07-13 17400 156.62 USGS 08068275 2013-01-10 480 144.08 USGS 08068275 2014-05-29 6310 151.82 USGS 08068275 2015-05-27 8560 153.31 USGS 08068275 2016-05-27 45400 165.46 USGS 08068275 2017-08-28 48900 9 166.38 USGS 08068275 2018-05-21 11:00 6250 150.75 USGS 08068275 2019-05-11 02:00 5130 149.98 USGS 08068275 2020-05-29 13:30 1620 146.76 USGS 08068275 2021-05-26 09:00 6310 150.80 USGS 08068275 2021-10-02 03:00 1030 USGS 08068275 2023-05-15 01:15 5440 USGS 08068275 2024-05-03 22:15 7430