Rivermatics

USGS Streamgage 14152000

Middle Fork Willamette River at Jasper, OR

Middle Fork Willamette River at Jasper, OR is USGS streamgage 14152000 in Oregon, monitoring river discharge in hydrologic subbasin 17090001. It drains a watershed of about 1,340 square miles. Discharge records at this site go back to 1905. Typical flow runs near 1,955.2 cfs in July and 2,855.3 cfs in April, with the higher of the two arriving in April.

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Gauge details

State
Oregon
Drainage area
1,340 sq mi
Subbasin (HUC-8)
17090001
Coordinates
43.99818, -122.90591
USGS site number
14152000
Records begin
1905-09-01 (121 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 119 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.

Historical monthly discharge percentiles in cubic feet per second
Month Low p10 Typical p50 High p90 Range
January 2,061 5,579.7 14,171
February 1,621 2,791.4 9,900.7
March 1,562.3 2,591.6 8,099.4
April 1,552 2,855.3 6,779.3
May 1,520.6 3,593.9 6,603.5
June 1,414.7 2,746.7 5,580.7
July 1,264.2 1,955.2 2,898.1
August 1,147.1 2,255.2 3,205.5
September 1,086.7 2,640.7 4,299
October 1,178.4 3,118.1 4,850.3
November 1,681.3 4,646.3 9,935.3
December 1,784.5 5,283.9 14,687.1

All values in cubic feet per second (cfs).

Other gauges in this subbasin