USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

USGS 09482999 TUCSON ARROYO AT TUCSON DURING CHANGING DA

Pima County, Arizona

Hydrologic Unit Code 15050301

Latitude 32°13'01", Longitude 110°56'53" NAD27

Drainage area 27.00 square miles

Contributing drainage area 23.40 square miles

Gage datum 2,411.90 feet above NGVD29

Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
1940	1940-08-13	9.20	2,700⁷
1943	1943-09-24	9.20	2,700
1944	1944-07-22	6.43	676
1945	1945-07-28	6.98	877
1946	1946-08-03	6.90	850⁵
1947	1946-11-24	4.42	149⁵
1948	1948-07-24	9.90	4,100⁵
1949	1949-09-28	5.56	364⁵
1950	1950-07-30	7.40	1,160⁵
1951	1951-08-02	6.43	676⁵
1952	1952-08-15	8.04	1,780⁵
1953	1953-07-14	9.40	3,240⁵
1954	1954-07-20	7.96	1,970⁵
1955	1955-07-13	7.95	1,960⁵

Peak Streamflow Qualification Codes.

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: 2025-01-06 18:22:11 EST
0.19 0.18 nadww01