USGS 11502500 WILLIAMSON RIVER BLW SPRAGUE RIVER NR CHILOQUIN,OR

PROVISIONAL DATA SUBJECT TO REVISION

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Station operated in cooperation with PacifiCorp and the Klamath Tribes.

NOTE: River forecasts and additional data can be obtained at the 
National Weather Service's Advanced Hydrologic Prediction Services web page.

NOTE: The most current shifted rating for this site can be found at USGS Rating Depot website.

Click Here for Additional Real-Time Water Quality Data.
Available Parameters Available Period
  
2007-10-17  2025-07-17
1987-10-01  2025-07-17
2007-10-01  2025-07-17
2023-01-03  2025-07-17
2007-10-17  2024-10-29
2022-11-29  2025-07-17
2007-10-17  2024-10-29







 (7)
 
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Summary of all available data for this site
Instantaneous-data availability statement

Discharge, cubic feet per second
Most recent instantaneous value: 578 07-17-2025   02:45 PDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jul 17 based on 106 water years of record more
Min
(1994)		 25th
percen-
tile		 Median Mean Most Recent
Instantaneous
Value Jul 17		 75th
percen-
tile		 Max
(1958)
303 476 533 566 578 598 1200

Gage height, feet
Most recent instantaneous value: 3.53 07-17-2025   02:45 PDT
Graph of Gage height, feet

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