Columbia River below Priest Rapids Dam water level

What this means

At 6.03 ft, the Columbia River below Priest Rapids Dam is far below normal for mid-October.

That puts it 4.31 ft below the median of 10.34 ft for mid-October, based on 33 years of readings. It is 25.97 ft below the flood stage of 32.00 ft. A year ago it stood at 9.53 ft (−3.50 ft).

The level is falling, down 1.08 ft over the past 24 hours. The forecast expects the river to rise to 9.25 ft by Tuesday, October 27 at 05:00 AM. Without real rain upstream, that is unlikely to change quickly. Over the past 30 days it has moved between 5.93 ft and 12.30 ft.

Compared with 33 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date

10.34 ft4.31 ft below the median for this date

Normal for this date

9.16 ft – 13.66 ft8 years in 10 fall in this range (33 years of records)

Same day last year

9.53 ft−3.50 ft

Lowest and highest in 30 days

5.93 ft – 12.30 ft

Lowest and highest in 12 months

6.02 ft – 21.53 ft

Highest on record

38.23 ftJune 22, 2017

Lowest on record

1.00 ftFebruary 10, 1932

Forecast peak

9.25 ftTuesday, October 27 at 05:00 AM