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USGS 12500450 YAKIMA RIVER ABOVE AHTANUM CREEK AT UNION GAP, WA

PROVISIONAL DATA SUBJECT TO REVISION

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Additional Data and Information.-- Latest shifted rating.

Flood Stage.--The National Weather Service has not established a Flood Stage for this station.

Funding for this site is provided by the cooperators / programs below:

Station Notes
ice
This station is affected by ice during extreme cold weather periods. A description of the types of ice affecting rivers can be download here.
This station managed by the Mid-Columbia Field Office (Kennewick).

Available Parameters Available Period
  
2022-03-01  2023-10-31
1987-10-01  2025-12-17
2007-10-01  2025-12-17
2022-03-01  2023-10-31
2022-03-01  2023-10-31
2022-03-25  2023-10-31
2022-03-01  2025-12-17







 (7)
 
  -- or --

 

 
Summary of all available data for this site
Instantaneous-data availability statement

Temperature, water, degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Discharge, cubic feet per second
Most recent instantaneous value: 16300 12-17-2025   22:30 PST
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Daily discharge, cubic feet per second -- statistics for Dec 18 based on 58 water years of record more
Min
(1994)		 25th
percen-
tile		 Median 75th
percen-
tile		 Mean Max
(2000)		 Most Recent
Instantaneous
Value Dec 18
870 1420 1850 2450 2630 11500 16300

Gage height, feet
Most recent instantaneous value: 45.97 12-17-2025   22:30 PST
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Dissolved oxygen, water, unfiltered, milligrams per liter
 
-- Data temporarily unavailable for the time period specified --

Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)
 
-- Data temporarily unavailable for the time period specified --

Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen
 
-- Data temporarily unavailable for the time period specified --