USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

USGS 09483250 ROB WASH AT TUCSON AZ

Pima County, Arizona

Hydrologic Unit Code 15050302

Latitude 32°14'08", Longitude 110°48'58" NAD27

Drainage area 2.08 square miles

Gage datum 2,572.73 feet above NGVD29

Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
1971	1971		1,400^2,Bm,C
1972	1972		600^2,Bm,C
1973	1973	1.82^Bm	180^Bm,C
1974	1974-01	1.96^Bd	200^Bd,C
1975	1975-07-12	2.47	400^C
1976	1976-09-25	2.31	330^C
1977	1977-08-01	1.38	100^C
1978	1977-12-28	1.20	50.0^2,C
1979	1979-08-12	3.11	450^C
1980	1980-07-26	2.18	190^C
1981	1981-07-19	2.62	305^C
1982	1982-08-23	4.83	1,900^C
1983	1983-09-23	1.86	156^C
1984	1984-07-16	2.50¹	405^C
1985	1985	1.47^Bm	55.0^Bm,C
1986	1986-01-31	2.21	277^C
1987	1986-10-10	1.52	65.0^C
1988	1988-08-20		1,300^C
1989	1989-07-21	2.02	207^C
1990	1990-07-24	2.80	896^C

Peak Gage-Height Qualification Codes.

Peak Streamflow Qualification Codes.

2 -- Discharge is an Estimate
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

U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Peak Streamflow
URL: https://nwis.waterdata.usgs.gov/nwis/peak?

Page Contact Information: USGS Water Data Support Team
Page Last Modified: 2024-05-24 22:20:00 EDT
0.24 0.18 nadww02