# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-03-28 14:12:46 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 06730500 BOULDER CREEK AT MOUTH NEAR LONGMONT, CO # # 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 06730500 1927-07-29 06:00 407 5 3.00 USGS 06730500 1928-06-04 09:00 694 5 3.84 USGS 06730500 1929-07-23 15:00 530 5 3.40 USGS 06730500 1930-08-18 05:00 353 5 2.94 USGS 06730500 1931-05-29 09:00 369 5 2.88 USGS 06730500 1932-07-13 10:00 128 5 1.86 USGS 06730500 1933-05-04 670 5 USGS 06730500 1934-05-10 388 5 3.00 USGS 06730500 1935-05-28 1110 5 4.62 USGS 06730500 1936-06-17 366 5 2.99 USGS 06730500 1937-06-26 680 5 3.97 USGS 06730500 1938-09-03 4410 5 6.94 USGS 06730500 1939-04-24 390 5 3.23 6 USGS 06730500 1940-07-03 174 5 2.34 USGS 06730500 1941-06-22 738 5 3.78 USGS 06730500 1942-04-24 1790 5 4.81 USGS 06730500 1943-05-19 553 5 3.44 USGS 06730500 1944-04-14 970 5 4.13 USGS 06730500 1945-05-30 702 5 3.51 USGS 06730500 1946-07-19 178 5 2.39 USGS 06730500 1947-06-23 2040 5 5.22 USGS 06730500 1947-10-15 721 5 3.55 USGS 06730500 1949-06-07 2020 5 5.20 USGS 06730500 1951-08-03 1540 5 5.00 6 USGS 06730500 1952-05-24 1990 5 5.45 USGS 06730500 1953-05-29 247 5 3.15 USGS 06730500 1954-01-14 12:30 26.0 2,5 1954-03-04 1330 3.20 1 USGS 06730500 1955-08-19 336 5 3.66 USGS 06730500 1979-06-10 1040 5 4.23 6 USGS 06730500 1980-05-01 1990 5 5.04 USGS 06730500 1981-05-29 387 5 2.74 USGS 06730500 1982-05-13 770 5 3.60 USGS 06730500 1983-05-19 2090 5 4.82 USGS 06730500 1984-04-24 560 5 2.92 USGS 06730500 1985-06-10 448 5 2.85 USGS 06730500 1986-06-09 508 5 2.86 USGS 06730500 1987-06-09 981 5 3.57 USGS 06730500 1988-05-20 540 5 2.71 USGS 06730500 1989-06-04 623 5 2.90 USGS 06730500 1990-06-12 392 5 2.40 USGS 06730500 1992-08-24 609 5 2.92 USGS 06730500 1993-06-18 1420 5 4.23 USGS 06730500 1993-10-18 497 5 2.76 USGS 06730500 1995-05-17 2300 5 5.29 USGS 06730500 1996-05-26 1400 5 4.51 USGS 06730500 1997-06-07 08:15 1760 5 5.00 USGS 06730500 1998-04-26 13:15 566 5 3.17 USGS 06730500 1999-05-01 1470 5 4.58 USGS 06730500 2000-07-17 07:00 1230 5 4.33 USGS 06730500 2001-05-06 00:15 377 5 2.75 USGS 06730500 2002-05-24 09:15 238 5 2.60 USGS 06730500 2003-05-31 12:15 1240 5 4.34 USGS 06730500 2004-07-24 03:45 775 5 3.77 USGS 06730500 2005-05-24 14:30 755 5 3.75 USGS 06730500 2006-07-09 20:15 1210 5 4.31 USGS 06730500 2007-04-25 07:30 633 5 3.51 USGS 06730500 2008-08-16 22:00 680 5 3.64 USGS 06730500 2009-06-02 23:30 843 5 3.81 USGS 06730500 2010-06-14 11:15 1420 5 4.53 USGS 06730500 2011-07-13 18:45 1140 5 4.63 USGS 06730500 2012-07-08 07:15 725 5 3.89 USGS 06730500 2013-09-13 8910 1,2 2013-09-13 0515 8.05 USGS 06730500 2014-06-01 15:45 1300 5 12.74 6 USGS 06730500 2015-05-09 11:30 2240 5 15.36 USGS 06730500 2016-06-14 14:30 772 5 12.01 USGS 06730500 2017-05-19 01:45 1420 5 13.67 USGS 06730500 2018-05-03 18:30 666 5 11.76 2 2018-06-19 1815 12.09 USGS 06730500 2019-07-06 11:00 680 5 12.38 USGS 06730500 2020-05-25 01:45 532 5 11.85 USGS 06730500 2021-05-03 19:00 922 5 12.81 USGS 06730500 2022-08-17 00:15 630 5 11.97 USGS 06730500 2023-05-12 10:15 1200 5 13.47