# # U.S. Geological Survey # National Water Information System # Retrieved: 2025-07-02 12:22:31 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 09266500 ASHLEY CREEK NEAR VERNAL, UT # # 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 09266500 1912-05-27 880 7 3.90 3 USGS 09266500 1914-05-23 1350 4.50 3 USGS 09266500 1915-05-14 1260 4.15 3,6 USGS 09266500 1916-05-08 820 4.44 3 USGS 09266500 1917-06-24 1350 8 USGS 09266500 1918-05-25 324 4.50 3,6 USGS 09266500 1919-05-10 278 4.20 3 USGS 09266500 1920-05-28 1360 7.05 2,3 1920-06-08 7.08 USGS 09266500 1921-05-29 2050 8.35 3 USGS 09266500 1922-06-08 1700 8.67 3 USGS 09266500 1923-05-25 1250 8.47 3 USGS 09266500 1924-05-17 736 7.91 3 USGS 09266500 1925-06-09 507 7.42 3 USGS 09266500 1926-05-20 729 7.90 3 USGS 09266500 1927-09-10 1250 8.70 3 USGS 09266500 1928-05-00 1110 Bd 8.50 3,Bd USGS 09266500 1929-06-16 1560 9.05 3 USGS 09266500 1930-05-28 1040 8.20 3 USGS 09266500 1931-05-15 560 7.56 3 USGS 09266500 1932-05-21 1340 8.55 3 USGS 09266500 1933-06-01 1260 8.45 3 USGS 09266500 1934-05-10 201 6.60 3 USGS 09266500 1935-06-09 1140 8.30 3 USGS 09266500 1936-05-15 475 7.30 3 USGS 09266500 1937-05-14 1210 8.39 3 USGS 09266500 1938-05-00 1340 Bd 8.55 3,Bd USGS 09266500 1939-04-29 649 7.62 3 USGS 09266500 1940-05-09 703 7.78 3 USGS 09266500 1941-05-13 1340 8.55 3 USGS 09266500 1942-05-25 1270 8.52 3 USGS 09266500 1943-04-30 702 2.97 3,6 USGS 09266500 1944-06-02 1200 3.86 3 USGS 09266500 1945-06-04 616 3.11 3 USGS 09266500 1946-04-25 521 2.95 3 USGS 09266500 1947-05-08 1190 3.94 3 USGS 09266500 1948-05-19 1370 3.70 3 USGS 09266500 1949-05-29 945 3.14 3 USGS 09266500 1950-05-30 1250 3.36 3 USGS 09266500 1951-05-25 1070 3.14 3 USGS 09266500 1952-05-04 1330 3.24 3 USGS 09266500 1953-06-12 658 2.22 3 USGS 09266500 1954-05-09 720 2.37 3 USGS 09266500 1955-05-12 628 2.12 3 USGS 09266500 1956-05-23 792 2.68 3 USGS 09266500 1957-06-07 1260 2.92 3 USGS 09266500 1958-05-24 980 2.30 3 USGS 09266500 1959-05-15 581 1.81 3 USGS 09266500 1960-05-12 796 2.13 3 USGS 09266500 1961-05-27 758 2.94 3,6 USGS 09266500 1962-05-10 1280 3.70 3 USGS 09266500 1963-05-10 730 2 2.80 3 USGS 09266500 1964-05-21 1720 3.48 2,3 1964-05-20 3.64 USGS 09266500 1965-06-11 3500 2 4.42 3 USGS 09266500 1966-05-06 900 2.45 2,3 1966-05-04 2.61 USGS 09266500 1967-05-24 1640 3.14 3 USGS 09266500 1968-06-05 2540 3.94 3 USGS 09266500 1969-05-14 1540 3.69 6 USGS 09266500 1970-05-20 1460 3.67 USGS 09266500 1971-05-27 1330 3.70 USGS 09266500 1972-05-16 913 3.30 USGS 09266500 1973-05-18 1870 4.17 USGS 09266500 1974-05-09 1440 3.62 USGS 09266500 1975-06-15 2590 4.30 USGS 09266500 1976-05-19 1150 3.27 USGS 09266500 1977-06-02 322 1.99 USGS 09266500 1978-05-29 831 2.88 USGS 09266500 1979-05-28 1010 3.20 USGS 09266500 1980-06-04 1430 3.94 USGS 09266500 1981-05-01 706 2.68 USGS 09266500 1982-05-26 1330 3.65 USGS 09266500 1983-06-11 2270 4.33 USGS 09266500 1984-05-23 1830 3.89 USGS 09266500 1985-05-03 1130 3.94 USGS 09266500 1986-05-26 2730 4.93 USGS 09266500 1987-05-15 1260 4.01 USGS 09266500 1988-05-17 1220 4.06 USGS 09266500 1989-04-21 366 2.90 USGS 09266500 1990-06-11 1010 3.75 USGS 09266500 1991-05-21 1610 4.34 USGS 09266500 1992-04-30 761 3.52 USGS 09266500 1993-05-25 2530 4.93 USGS 09266500 1994-05-13 998 3.79 USGS 09266500 1995-06-15 4100 5.64 USGS 09266500 1996-05-12 870 3.65 USGS 09266500 1997-05-12 1050 4.27 USGS 09266500 1998-05-21 1330 5.21 USGS 09266500 1999-05-25 1890 4.85 USGS 09266500 2000-05-05 1340 4.19 USGS 09266500 2001-05-13 1570 4.61 USGS 09266500 2002-05-08 136 2.38 USGS 09266500 2003-05-27 1630 4.66 USGS 09266500 2004-05-08 844 3.90 USGS 09266500 2005-05-22 2090 5.79 USGS 09266500 2006-05-14 606 3.82 USGS 09266500 2007-05-13 625 3.78 USGS 09266500 2008-05-20 998 4.52 USGS 09266500 2009-07-05 764 4.13 USGS 09266500 2010-06-07 933 4.40 USGS 09266500 2011-06-06 1670 5.32 USGS 09266500 2012-04-26 389 3.32 USGS 09266500 2013-05-17 560 3.67 USGS 09266500 2014-09-28 712 4.02 USGS 09266500 2015-06-01 771 3.98 USGS 09266500 2016-06-05 990 4.43 USGS 09266500 2017-05-12 1050 4.56 USGS 09266500 2018-04-28 22:00 495 3.40 USGS 09266500 2019-06-07 21:30 1090 4.58 USGS 09266500 2020-06-06 19:00 804 4.07 USGS 09266500 2021-05-21 21:00 476 3.45 USGS 09266500 2022-05-17 00:30 528 3.62 USGS 09266500 2023-05-24 21:52 1500 5.29 USGS 09266500 2024-05-17 22:30 729 4.05