Spokane River at Spokane, WA
Eastern Washington · USGS gauge 12422500 · Updated Oct 24, 3:19 AM PDT · USGS data, provisional
Reading time: Oct 24, 2:45 AM PDT · Provisional data
Flow is far below normal for the date. Expect shallow riffles and slower water; some stretches may be hard to float and fish can be stressed by low flows. Check local reports for the specific stretch.
- Vs. normal for this date
- 8th percentile
- Typical range (25th–75th)
- 1,760–2,485 cfs
- Median for this date
- 2,120 cfs
- 7-day low / high
- 1,290 / 1,480 cfs
Plain-language explanation
Spokane River at Spokane is flowing at 1,420 cubic feet per second (cfs) as of Oct 24, 2:45 AM PDT. That is among the lowest flows on record for this time of year: lower than about 92% of the daily flows this gauge has recorded for this date (give or take 7 days) over 136 years of record (1891–2026).
The middle half of those historical flows runs from 1,760 to 2,485 cfs, with a median of 2,120 cfs; the lowest 10% of days are at or below 1,480 cfs and the highest 10% at or above 3,410 cfs.
Over the last 24 hours the flow has been steady (-2.1%). In the last 7 days it ranged from 1,290 to 1,480 cfs.
Regulated flow: upstream dams or diversions influence this gauge, so the “normal range” above reflects managed flows and can differ from natural river behavior.
Why this status: Flow is at or below the seasonal 10th percentile and in the lower 40% of all days on record.
7-day trend
Hourly flow in cfs, Pacific time. The shaded band is the typical range (25th–75th percentile) for this date, shown when it falls within the chart.
| Day (Pacific) | Mean cfs | Percentile | Status that day |
|---|---|---|---|
| Sun Oct 18 | 1,403 | 10th | Too low |
| Mon Oct 19 | 1,420 | 9th | Too low |
| Tue Oct 20 | 1,411 | 9th | Too low |
| Wed Oct 21 | 1,409 | 8th | Too low |
| Thu Oct 22 | 1,426 | 9th | Too low |
| Fri Oct 23 | 1,439 | 9th | Too low |
| Sat Oct 24 (so far) | 1,420 | 8th | Too low |
Seasonal context
Shaded band: 10th–90th percentile of daily flows through the year; dashed line: median. Log scale. Dot: today's flow. Based on 136 years of USGS daily data (1891–2026).
About this gauge
- USGS site
- USGS-12422500
- USGS name
- Spokane River At Spokane, Wa
- Drainage area
- 4,290 sq mi
- Location
- 47.6593, -117.4491
- Record in this analysis
- 1891–2026
Typical uses
Notes: Flows are regulated by upstream dams. (Hand-written general note, not from USGS data.)
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