# # U.S. Geological Survey # National Water Information System # Retrieved: 2025-04-12 21:17:39 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 09482500 SANTA CRUZ RIVER AT TUCSON, 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 09482500 1914-12-23 15000 1905 USGS 09482500 1916-01-20 5000 USGS 09482500 1917-09-08 7500 USGS 09482500 1918-08-07 4900 USGS 09482500 1919-08-02 4700 USGS 09482500 1920-08-09 1950 USGS 09482500 1921-08-01 4000 USGS 09482500 1922-07-20 2000 USGS 09482500 1923-08-17 1900 USGS 09482500 1923-11-17 2050 USGS 09482500 1925-09-18 3400 7.50 3 USGS 09482500 1926-09-28 11400 19.50 3 USGS 09482500 1927-09-07 1950 15.50 3 USGS 09482500 1928-08-01 1600 14.60 3 USGS 09482500 1929-09-24 10400 19.20 3 USGS 09482500 1930-08-07 1770 8.00 3 USGS 09482500 1931-08-10 9200 11.30 3 USGS 09482500 1932-07-30 4200 9.27 3 USGS 09482500 1933-08-21 6100 10.10 3 USGS 09482500 1934-08-23 6000 10.07 3 USGS 09482500 1935-09-01 10300 12.25 3 USGS 09482500 1936-07-26 5400 10.00 3 USGS 09482500 1937-07-10 3280 9.10 3 USGS 09482500 1938-08-05 9000 11.70 3 USGS 09482500 1939-08-03 8000 12.32 3 USGS 09482500 1940-08-14 11300 13.05 3 USGS 09482500 1941-08-14 2490 8.48 3 USGS 09482500 1942-08-09 1670 7.19 3 USGS 09482500 1943-08-02 4510 9.85 3 USGS 09482500 1944-08-16 6530 10.40 3 USGS 09482500 1945-08-10 10800 12.70 3 USGS 09482500 1946-08-04 4260 8.05 3 USGS 09482500 1946-10-01 2960 7.02 3 USGS 09482500 1948-08-16 3860 6.90 3 USGS 09482500 1949-08-08 3800 6.63 3 USGS 09482500 1950-07-30 9490 8.80 3 USGS 09482500 1951-08-02 5020 6.51 3 USGS 09482500 1952-08-16 3820 5.10 3 USGS 09482500 1953-07-15 5900 6.80 3 USGS 09482500 1954-07-24 9570 8.50 3 USGS 09482500 1955-08-03 10900 9.58 3 USGS 09482500 1956-07-29 2610 3.90 3 USGS 09482500 1957-08-31 3050 4.90 3 USGS 09482500 1958-07-29 6350 9.85 3,6 USGS 09482500 1959-08-20 4420 9.15 3 USGS 09482500 1960-08-10 6140 10.24 3 USGS 09482500 1961-08-23 16600 15.60 3 USGS 09482500 1962-09-26 4980 7.90 3 USGS 09482500 1963-08-26 4670 12.82 3 USGS 09482500 1964-09-10 13000 18.05 3 USGS 09482500 1965-07-16 1190 8.49 3 USGS 09482500 1966-08-19 5500 12.30 3 USGS 09482500 1967-07-17 5860 12.17 3 USGS 09482500 1967-12-20 16100 17.24 3 USGS 09482500 1969-08-06 8710 13.92 3 USGS 09482500 1970-07-20 8530 13.81 3 USGS 09482500 1971-08-17 8000 USGS 09482500 1972-07-15 3470 10.03 6 USGS 09482500 1972-10-19 4710 10.86 USGS 09482500 1974-07-08 7930 13.44 USGS 09482500 1975-07-12 2480 9.55 USGS 09482500 1976-09-25 7100 13.00 USGS 09482500 1977-08-15 2660 9.40 USGS 09482500 1977-10-10 23700 21.80 USGS 09482500 1978-12-19 13500 9.50 USGS 09482500 1980-08-13 2760 8.23 USGS 09482500 1981-07-27 2700 8.60 USGS 09482500 1983-10-02 52700 7 22.20 1892 USGS 09482500 1984-12-28 10000 12.50 USGS 09482500 1986-07-21 1920 5.45 USGS 09482500 1987-08-02 1500 5.03 USGS 09482500 1988-08-23 10700 8.90 USGS 09482500 1988-10-20 2960 5.16 USGS 09482500 1990-07-24 9430 8.32 USGS 09482500 1991-08-09 2130 4.61 USGS 09482500 1992-08-06 5970 6.80 USGS 09482500 1993-01-19 37400 11.67 USGS 09482500 1994-07-28 4890 5.55 USGS 09482500 1995-02-16 576 3.45 USGS 09482500 1996-09-03 08:00 9370 7.26 USGS 09482500 1997-00-00 743 Bm 3.78 Bm USGS 09482500 1998-07-05 5980 5.96 USGS 09482500 1999-07-14 21:15 5810 5.90 USGS 09482500 2000-07-22 23:30 7260 6.35 USGS 09482500 2000-10-23 11:30 10900 7.81 USGS 09482500 2002-09-06 21:30 5640 5.84 USGS 09482500 2003-08-22 21:30 4820 5.53 USGS 09482500 2004-09-18 15:20 3330 4.89 USGS 09482500 2005-08-23 09:23 16300 2 11.67 5 USGS 09482500 2006-07-31 04:15 7200 8.52 USGS 09482500 2007-07-31 15:45 13200 10.72 USGS 09482500 2008-07-20 04:15 4500 5.78 USGS 09482500 2009-07-04 05:45 4470 5.76 USGS 09482500 2010-07-31 00:15 11400 9.83 USGS 09482500 2011-09-15 16:30 9880 10.21 USGS 09482500 2012-09-15 18:45 1620 4.16 USGS 09482500 2013-07-20 17:45 1240 3.70 USGS 09482500 2014-09-08 15:00 13400 11.51 USGS 09482500 2015-07-28 18:57 4690 6.91 USGS 09482500 2016-08-01 04:00 5360 7.36 USGS 09482500 2017-07-17 15:15 5150 7.22 USGS 09482500 2018-09-03 11:00 5640 7.86 USGS 09482500 2018-10-21 23:00 3530 6.02 USGS 09482500 2020-07-23 12:15 534 2.25 USGS 09482500 2021-07-25 04:15 5090 7.18 USGS 09482500 2022-08-19 12:30 1010 3.31 USGS 09482500 2023-07-31 23:00 1090 3.44